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2026 Board of Directors

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Denise Cosgrove

2026 President

Denise Cosgrove, moved to Brentwood in 2002 with her husband, Mike and three small children, Mac, Austin and Miranda. She followed her mother-in-law, sister and mom who moved to Brentwood in the late 90’s. Raising a family with extended family and within the Brentwood community was truly a blessing. All three children graduated from Heritage High School, and eventually college. All are doing well in their careers.

In 2009 Denise started her insurance career with Farmers Insurance and opened Cosgrove Insurance in Brentwood. Building a business and raising a family in Brentwood has strengthened the ties to this amazing city and community and increased Denise’s desire to give back and help other business owners and fellow citizens.

Denise joined the Brentwood Chamber of Commerce in 2023 as a director. Her passion lies in educating and connecting business owners with resources that can help them build a successful business. Her moto is “No business man/woman is an Island” and being a part of the Chamber has opened doors, opportunities and resources that need to be shared with other business owners.

As President elect of the Chamber this year, Denise looks forward to setting an agenda of education and opportunities for members of the Brentwood Chamber of Commerce.

Adam Martinez

Adam Martinez

Past President

Owner, Handydads Construction, Inc.

Adam Martinez is the owner of Handydads Construction, Inc., a family-owned general construction company proudly based in Brentwood, California. With over 10 years in business, Handydads specializes in kitchen and bathroom remodels, as well as a variety of handyman services for both residential and commercial clients.

A dedicated community leader, Adam has served on the Brentwood Chamber of Commerce Board of Directors for the past six years and is honored to now serve as President. His passion for supporting local businesses and fostering community development continues to shape his vision for the Chamber.

Beyond his professional and civic commitments, Adam is a proud father who enjoys spending quality time with his two amazing daughters. He believes in leading by example, demonstrating the values of hard work, service, and integrity both at home and in the community.

Adam is also an active member of the Rotary Club of Brentwood, further reflecting his commitment to making a positive impact in the city he loves.

Jayne

Jayne Oertwig

CFO

Jayne has been a part of the Allstate Insurance family for the past 27 years and has a wealth of experience in both management and as an agent. For the last 26 years, she has been based in Brentwood and operates her office there. Her professional commitment to the community is evident in her volunteer roles with the local Chamber of Commerce and the Brentwood Rotary Board of Directors. Jayne is also a proud member of the Soroptimist organization. Outside of work, Jayne loves spending time with her family and is anxiously awaiting grand baby number two. When she finds time to herself, Jayne enjoys staying active with her Peloton, camping, boating, quilting, and indulging in other crafts, such as cooking and of course spending time with her grandson.

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Alex Coons

Alex Coons is the Director of Business Development at Preferred Rate, where strategy meets heart. With over 12 years of mortgage industry experience — from her early days as a Dialer, to Approval Specialist, and then Sales & Marketing Director — Alex brings a no-nonsense, results-driven approach to cultivating long-term relationships with REALTORS®, referral partners, and clients alike.

She’s not just a connector — she’s a committed leader. Alex served as Affiliate Committee Chair for the Delta Association of REALTORS® for five years, Membership Director for Women’s Council of REALTORS® for two years, and Team Captain for their Relay for Life team for six years, championing causes that matter and showing up for her community with heart and hustle.

Known for building powerhouse teams and unforgettable client experiences, Alex thrives on helping others grow their business while driving innovation, marketing, and collaboration through events and strategic partnerships.

When she’s off the clock, you’ll likely find her lifting at the gym, off-roading and camping in her pink Jeep, exploring the outdoors with her blue merle Aussies, working on her house, visiting the dog park, or spending time with family.

Fueled by coffee and a rock-solid Outlook calendar, Alex balances her drive for excellence with a deep love for adventure, wellness, and a life well-lived.

Alex Coons is passionate about helping others thrive — in business and in life.

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Christina Geis

I have been a proud resident of Contra Costa County for 46 years, with the last 13 years spent in the wonderful city of Brentwood. I am an alumna of Liberty High School and have been a Registered Nurse with Kaiser Permanente since 2002. I hold a Master's Degree in Business in Healthcare Management from California Coast University and a Bachelor's Degree of Science in Nursing from Samuel Merritt College/St. Mary's College of California. I currently serve the community as the Chief Nurse Executive at Kaiser Permanente’s Antioch Medical Center.

I am happily married to my husband of 23 years, who works and serves our youth at Liberty High School. Together, we have three boys, two of whom are currently attending schools within the Brentwood and Liberty school districts. Our eldest is a Junior in college at Saint Mary’s College in Moraga, studying Nursing.

My commitment to caring for our community is profound, and I am on a mission to ensure we keep our community well and continue to innovate by bringing services to our community and supporting the health and wellness for our future. When I am not working, I enjoy spending time with our two adorable French Bulldogs, watching baseball, traveling, and being outdoors. My passion for community service runs deep, and I am dedicated to giving back to the community that has been so gracious to me. I am committed to preserving the small-town feeling and values that make Brentwood a special place to live.

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Denise Duran

Denise Duran is a certified life coach whose practice opens the doors for high achievers to exceed their goals as they discover their authentic path to wholeness and freedom.  Denise and her husband Jamie have raised their family in Brentwood, where Denise has been a part

of multiple volunteer organizations to support the community's needs, including serving a term as the 2023 President of the Brentwood Chamber.

Elizabeth Clarke

 

Greg Robinson-2023

Greg Robinson

Greg Robinson, the publisher and owner of the Brentwood Press & Publishing Company started with the paper in October 1999, as the sixth employee.
Greg quickly rose though the ranks of Sales Manager, then Associate Publisher and finally Publisher.  After 15 years of employment with the Brentwood Press, Greg and his wife Sandie purchased Brentwood Press & Publishing Company from the previous owner, Jimmy Chamoures.

The paper is now called, The Press and is still serving the cities of Brentwood, Oakley and Discovery Bay, filled with local news about the kids, the schools, the community, and what the City Council is up to. In addition to the weekly newspaper, staff also produce monthly coupons  and have a very active website, www.thepress.net  and recently launched their new app called The Press.

The Press also produces three annual magazines; The Best of Brentwood, Best of Oakley and the East County Welcome Guide.

So whether you like to get your news in a printed newspaper or prefer to read it online, The Press has a solution for everyone. If you would like to support community journalism we would encourage you to sign up as a subscriber and you can choose to have the paper delivered right to your home, have unlimited access online or both! Should you have any questions feel free to reach out to The Press at 634-1441.

Katie Brandt

Katie Hernandez

My name is Katie Brandt, I was born and raised in East Contra Costa County and raised with parents who were always involved in Brentwood's community. I went to schools locally and ultimately graduated from Chico State with a Business Administration Degree with an option in Management. While in Chico I was heavily involved in extracurricular clubs and organizations. I was a member of SHRM (Society of Human Resource Management), Chico State Ballroom Dance Club and Alpha Chi Sorority. I learned a lot in college and apply it at my family's car dealership day to day. My love for our community has only grown stronger over the years, I always knew one day I wanted to do more for the Brentwood Community. I am honored to represent my family's business within our community. I am privileged to have the opportunity to positively impact Brentwood as both a Chamber Member, Director and Chairperson for the Annual East Bay Business Expo & Job Fair.

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Katie Ramsey

Has been a dedicated business owner in the Brentwood area since 2015, beginning with her mobile spray tanning business. In 2018, she expanded her vision by opening the Body Bar Sunless Spa & Suites, a brick-and-mortar establishment in the Balfour Plaza shopping center on Balfour Road. The Body Bar not only serves as the home for Katie's sunless business but also houses six salon suites where licensed beauticians provide a range of services, including nails, hair, waxing, facials, and more.

Katie’s expertise in the sunless tanning industry earned her the prestigious role of educator for Norvell Sunless, one of the nation's largest sunless tanning manufacturers. Under her guidance, the Body Bar was designated a Norvell Salon Academy, making it the only salon in Northern California with the distinction of offering private, one-on-one training for aspiring business owners entering the sunless tanning industry.

In 2023, Katie and her husband expanded their entrepreneurial efforts by opening a UV tanning and wellness salon to replace a previous business in the community. Partnering with Tan Republic, the largest West Coast tanning franchise, they brought a state-of-the-art, 14-room facility to the Sand Creek Crossings shopping center on Sand Creek Road.

Katie is passionate about educating her clients and staff on the safest and most effective ways to achieve their tanning and wellness goals. As a licensed cosmetologist, she also invests in mentoring others in the beauty industry, especially those just beginning their careers, with the hope of empowering them to own and operate their own successful salons.

Beyond her business endeavors, Katie has been an active Ambassador for the Brentwood Chamber of Commerce for the past two years, where she has welcomed new members, supported local businesses, and helped coordinate ribbon-cutting ceremonies and Chamber mixers. Building on her commitment to community involvement, Katie is now stepping into a leadership role as a Chamber Director and serving as the Gala Chair. She is excited to continue contributing her time, experience, and passion to support the Chamber’s mission of fostering a strong and thriving local business community.  

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Lisa Goins

As a Mortgage Loan Officer, I don’t just close deals—I’m here to build lasting relationships. I take the time to really understand my clients' goals, ensuring their needs are met with a personal touch. In the world of real estate, trust is everything, and I believe it’s something that is earned through dedication, integrity, and a positive attitude.

My passion for helping First-Time Homebuyers shines through in my regular role as a speaker on an East Bay panel that educates and empowers future homeowners. I also take great pride in my deep knowledge of the local market, including schools, neighborhoods, and community development.

Outside of work, I’m honored to serve as the 2025 Chair for the Brentwood Chamber of Commerce Ambassador Committee, and the 2025 Chair for the Delta Association of Realtors’ Affiliates Team. I’m deeply committed to volunteerism, guiding others on how to represent the Chamber and DAR with the highest standards of professionalism and service. Between my full-time job and volunteer work, I’m always on the go, embracing the mindset that "every interaction is an opportunity to educate and help make dreams come true." When I do find some free time, I love unwinding with a good book, going camping, and cherishing moments with my husband, our Pittie, Lola, and our two grown sons!

Rebecca Ross

Rebecca Ross

Rebecca Ross is a devoted mother, grandmother, and great-grandmother who moved to Brentwood from Pacifica in 2018. With over 45 years of experience as a nurse, she brings the same care and dedication to her business, a woman-owned, family-operated company specializing in helping small businesses save money on credit card processing since 2020.
Passionate about supporting the local community, Rebecca serves on the Board of Directors for the Brentwood Chamber of Commerce and was proudly named Ambassador of the Year in 2023. She also serves on the Leadership Board of the Polka Dot Powerhouse Brentwood Chapter and is an active member of Delta Networking Partners.
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Roberta Byas

Roberta “Ro” Byas is a wife, mom of three, proud Glamma, and the owner of Curated, a local co-op showcasing local vendors, collectors and artisans. She’s a personal stylist, that specializes in all things fancy, community advocate, and champion for small business growth. Ro serves as a Director of the Brentwood Chamber of CommerceEvent Coordinator for Polka Dot Powerhouse Brentwood, and is a member of Delta Networking Partners. Building connections and giving back are at the heart of everything she does.

 

Tim Calvin

Tim Calvin

Tim is a dynamic leader, martial arts expert, and seasoned public safety professional with over three decades of experience across military, law enforcement, self-defense instruction, and nonprofit leadership. He is the Founder and CEO of Split-Second Response, a nationally respected organization specializing in reality-based self-defense and active threat training since 2000.

Tim holds an Ed.D. in Organizational Change and Administration from California Baptist University, an M.B.A. and a B.S. in Business Management from Western Governors University. His academic background supports a lifelong mission to empower individuals, organizations, and communities through education, leadership, and personal safety.

A highly accomplished martial artist, Tim holds an 8th Degree Black Belt in the self-defense system he founded, Conditioned Combat Response, as well as a 7th Degree Black Belt in Kajukenbo, 5th Degree in Senkotiros Arnis, and a Blue Belt in Brazilian Jiu-Jitsu. He is a certified Level II Krav Maga Instructor, a kickboxing instructor, and a subject matter expert in real-world self-defense tactics. His martial arts programs have trained civilians, law enforcement personnel, and military professionals alike.

Tim’s public safety career began with the United States Marine Corps, where he served as a HAWK missile operator and .50-caliber machine gun crew member during Operation Desert Storm, earning an honorable discharge at the rank of Sergeant (E-5). He transitioned to law enforcement with the Oakland Police Department, where he worked as a patrol officer and undercover narcotics officer. He later served with the Novato Police Department for six years, distinguishing himself as a S.W.A.T. team member, defensive tactics instructor, and Crime-Free Multi-Housing Program Director.

Tim holds more than a dozen instructor certifications, including BSIS Firearms and Baton Instructor, DOJ CCW and Firearm Safety Certificate Instructor, NRA Basic Pistol Instructor, NRA Range Safety Officer, USCCA Certified CCW and Home Defense Instructor, and Axon Taser Instructor. He is also certified by the American Red Cross and Health & Safety Institute (HSI) as a First Aid/CPR/AED Instructor, and trains professionals in active shooter response and chemical agent deployment.

Dedicated to giving back, Tim has served as Executive Director of AMAPA-4-Kids, a nonprofit focused on youth development, since 2005. His community leadership includes board service with the Kiwanis Club of the Delta-Antioch and the Antioch Police Athletic League (PAL). His impact has been recognized with several prestigious awards, including the 2014 Diversity Award from JFK University, the 2017 Men of Merit Award from the U.S. Congress and California State Assembly, and the 2020 Making a Difference Award from the Contra Costa County District Attorney’s Office.

With a rare blend of academic rigor, real-world tactical experience, and a deep commitment to service, Tim continues to lead with integrity, inspire transformation, and champion safety and empowerment in every community he serves.

Tony

Tony Aguilar

My approach to financial advice centers on building long-lasting relationships, founded on trust, integrity and a genuine desire to serve. I am dedicated to helping individuals and families achieve their financial goals by making a positive impact on the lives of clients and providing guidance and strategies tailored to their unique needs and aspirations. Throughout our partnership, we commit to open and transparent communication, ensuring you feel confident and empowered in your financial decisions. We will work closely with your professional partners, such as CPAs and attorneys, to assist our comprehensive process for planning for retirement, striving to grow your wealth or aiming to protect your assets.

I actively contribute to the community as a board member of the Brentwood Chamber of Commerce and the Brentwood Rotary Club. My Favorite moments coaching at East County Revolution Football Club is teaching the youth and my son lifelong skills and encouraging to never give up when times get tough on the field, at school or in the future.

Let me help you embark on your path towards financial peace of mind and a brighter future. Please explore my website to learn more about my services and access valuable resources. Reach out today to schedule a consultation.

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Ricardo Noguera- Honorary Director

City of Brentwood Economic Development Department

With over two decades of experience, I have dedicated my career to revitalizing economically challenged communities across the U.S. Throughout my journey, I have successfully driven the transformation of these communities by attracting both foreign and domestic investment. This has led to significant improvements in revenue, employment, and essential services. My approach is tailored to each community’s unique circumstances, considering factors like market conditions, land use, zoning, development potential, and the specific goals of local leadership.

I bring a wealth of expertise in recruitment, negotiations, and strategic planning, with a focus on enhancing and growing communities while minimizing displacement. My experience spans South Florida, the Gulf Coast, the San Francisco Bay Area, Southern California, Central Valley, and the Pacific Northwest.

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Abraham Salinas- Honorary Director

City of Brentwood Economic Development Department

Abraham Salinas is a results-driven economic development analyst focused on fostering resilient communities through strategic, research-based initiatives. As a Senior Analyst for the City of Brentwood, he leads complex, multi-sector projects that align with local policy, address community priorities, and strengthen the city’s economic landscape. His work includes managing grant programs, supporting business retention and expansion, developing marketing strategies, and coordinating real estate and workforce development efforts.

With a background in Sustainable Environmental Design from UC Davis, Abraham brings a systems-based perspective to city-building. His public sector experience spans suburban, urban, and statewide programs—ranging from COVID-19 recovery and neighborhood revitalization in Sacramento and West Sacramento, to community design, sustainable transportation, and policy work at CivicWell.

Abraham emphasizes cross-departmental collaboration and stakeholder engagement to drive sustainable growth. He is committed to leveraging public and private investment to enhance local stability, opportunity, and quality of life—ensuring that economic development delivers lasting benefits for Brentwood’s residents and businesses.

2026 Ambassadors

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Lisa Goins

Ambassador Chair

As a Mortgage Loan Officer, I don’t just close deals—I’m here to build lasting relationships. I take the time to really understand my clients' goals, ensuring their needs are met with a personal touch. In the world of real estate, trust is everything, and I believe it’s something that is earned through dedication, integrity, and a positive attitude.

My passion for helping First-Time Homebuyers shines through in my regular role as a speaker on an East Bay panel that educates and empowers future homeowners. I also take great pride in my deep knowledge of the local market, including schools, neighborhoods, and community development.

Outside of work, I’m honored to serve as the 2025 Chair for the Brentwood Chamber of Commerce Ambassador Committee, and the 2025 Chair for the Delta Association of Realtors’ Affiliates Team. I’m deeply committed to volunteerism, guiding others on how to represent the Chamber and DAR with the highest standards of professionalism and service. Between my full-time job and volunteer work, I’m always on the go, embracing the mindset that "every interaction is an opportunity to educate and help make dreams come true." When I do find some free time, I love unwinding with a good book, going camping, and cherishing moments with my husband, our Pittie, Lola, and our two grown sons!

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Angela Garcia

Ambassador Co-Chair

Premier Banker, Fremont Bank
Angela Garcia is a Premier Banker at Fremont Bank with over a decade of experience in both personal and business banking. She is passionate about helping individuals, families, and business owners achieve their financial goals through personalized service, strategic guidance, and tailored banking solutions.
Angela earned her Bachelor’s degree in Business Administration and Management from San Jose State University, equipping her with a strong foundation in financial planning and client relationship management.
A proud Ambassador of the Brentwood Chamber of Commerce, Angela enjoys connecting with the local community and encouraging business growth. Supporting local entrepreneurs and helping Brentwood thrive is a mission close to her heart.
Angela is happily married, a proud mother of three, and resides in the city of Brentwood. In her free time, she enjoys traveling, discovering great food, spending quality time with her family, and attending The Fellowship Church.
Audrey

Audrey Johnson

Audrey Johnson is the Principal and Managing Director of Sabacon Accounting, a division of Sabacon Corporation, which she launched in 2021 to provide expert accounting, bookkeeping, and financial management services. With over two decades of experience in both the for-profit and non-profit sectors, she brings a wealth of knowledge and a hands-on approach to each client engagement.

Her career in accounting began even before completing her Bachelor of Science in Accounting, gaining early experience that laid the foundation for a distinguished professional path. Over the years, she has served clients ranging from solopreneurs to multi-million-dollar organizations, including leading entire finance departments for large enterprises.

Before launching Sabacon Accounting, Audrey was co-owner and operator of three retail businesses where she managed both day-to-day operations and all aspects of financial oversight. This entrepreneurial background gives her a unique perspective and deep understanding of the financial challenges business owners face.

Audrey has been an active contributor to her community through both professional and volunteer roles. She is an Ambassador for the Brentwood Chamber of Commerce and serves on its Advisory Committee. She is also President of BNI Referral Factory in Brentwood. She previously held a leadership position as an Executive Board Member of the Contra Costa Chapter of Jack and Jill of America. A committed member of her church’s Music Ministry, she has also served as a Choir Director and remains involved in local civic and political initiatives. Notably, she attended the first inauguration of President Barack Obama and performed with her choir at the Democratic National Convention during President Bill Clinton’s first campaign.

Originally from Brooklyn, NY, Audrey has also lived in Fairfax, VA, and Morris Plains, NJ, before settling in California in 2001. She has been married to her husband Gerald for 36 years and is the proud mother of two adult sons

Becky Travato

Becky Trovato

"Real estate done right—with brains, boldness, and heart."
Becky Trovato isn’t your average real estate agent—she’s the one people call when they want results without the runaround. A sharp negotiator, bold marketer, and community-focused pro, Becky brings smart strategy, straight talk, and a whole lot of personality to every transaction. Based in Contra Costa County, she helps everyone from first-time buyers to empty nesters make confident, no-regret moves with clarity and confidence. Her secret? A people-first mindset, relentless drive, and just enough edge to make the process feel fun, empowering, and refreshingly real. If you're ready to make a move, Becky’s the one who’ll make sure it’s the right one.
When she’s not closing deals, you’ll find Becky on the tennis court, sipping her way through local wine tastings, or out walking her spotted sidekick, Dottie.
Curtis Elowe

Curtis Elowe

Curtis Elowe is a seasoned leader in the remediation services industry (NAICS 562910), with a proven track record of delivering exceptional results for clients in both the commercial and federal sectors. As the President of PuroClean of Antioch, a leading provider of comprehensive remediation solutions, Elowe has spearheaded the company's expansion into the federal market, leveraging his deep understanding of government contracting and regulatory compliance.

Curtis Elowe's expertise encompasses a wide range of remediation services, including water damage restoration (PSC F021), mold remediation, fire and smoke damage restoration, biohazard cleanup, and COVID-19 disinfection. His commitment to innovation and customer satisfaction has earned PuroClean of Antioch a reputation for excellence, with a focus on rapid response, technical proficiency, and minimizing downtime for clients.

Under Curtis Elowe's leadership, PuroClean of Antioch has successfully completed numerous remediation projects for commercial clients, including McDonald's, Lens Crafters, and TTX. The company's ability to deliver high-quality services on time and within budget has positioned it as a trusted partner for businesses seeking reliable remediation solutions.

Curtis Elowe's vision for PuroClean of Antioch extends beyond the commercial sector. He is actively pursuing opportunities in the federal market, leveraging his knowledge of government procurement processes and the company's unique value proposition. Curtis Elowe's strategic approach, guided by Peter Thiel's "0 to 1" philosophy, focuses on creating a defensible niche in the federal market by targeting specific NAICS and PSC codes and building strong relationships with contracting officers.

With Elowe at the helm, PuroClean of Antioch is poised to become a leading provider of remediation services to federal agencies, offering a comprehensive suite of solutions, rapid response capabilities, and a customer-centric approach.

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Denise Duran

Denise Duran is a certified life coach whose practice opens the doors for high achievers to exceed their goals as they discover their authentic path to wholeness and freedom.  Denise and her husband Jamie have raised their family in Brentwood, where Denise has been a part of multiple volunteer organizations to support the community's needs, including serving a term as the 2023 President of the Brentwood Chamber.

Derrick Shelton

Derrick Shelton

Derrick W. Shelton is a seasoned business leader and entrepreneur with over 20 years of experience in enterprise sales, business development, and operations across healthcare, logistics, manufacturing, and staffing. He is the owner of American Family Care – Brentwood, where he has successfully grown patient volume and revenue through strategic partnerships, community outreach, and operational excellence.
Throughout his career, Derrick has led national sales initiatives, built high-performing teams, and driven multimillion-dollar growth for organizations ranging from startups to established enterprises. His background includes scaling operations, negotiating complex contracts, and working closely with C-suite executives to align services with business needs.
As an Ambassador for the Brentwood Chamber of Commerce, Derrick is passionate about supporting local businesses, fostering meaningful connections, and helping new and existing members maximize the value of Chamber resources. He brings a collaborative, results-oriented approach and a genuine commitment to strengthening the Brentwood business community.
Derrick lives in the East Bay with his wife and children and remains actively involved in civic and professional initiatives that support economic growth and family-centered communities.
Jaime Johnson

Jaime Johnson

My name is Jamie Johnson and I am a Realtor/Transaction & Listing Coordinator for Keller Williams Realty.  This is my 3rd year serving as a Brentwood Chamber Ambassador.  I have been a resident of Brentwood since 2010 and have raised my 3 children in this great community!  I love that our small town has a big town feel.  Or is it, our big town has a small town feel?  It's both - and I love it all!  I truly enjoy watching our community grow with so many new businesses coming to town, our existing businesses thriving and bringing our residents and families together to celebrate Brentwood.  Being a member of the Chamber and staying active in the community fills my cup and reminds me that we're all in this together and nobody stands alone.

When I am not working around the clock, you will find me enjoying time with family and friends, the Formula 1 race weekends, an occasional beach day or soaking up laughter wherever I can!

Kim Bailey

Kim Bailey

Owner of Balanced Wellness and Beauty and licensed massage therapist with over 19 years of experience, I’m committed to delivering personalized treatments that support each client’s unique wellness journey. Alongside a dedicated team of skilled professionals, we focus on creating a calming, results-driven experience rooted in compassion, care, and expert technique.

Lynn Gursky

Lynn Gursky

Lynn is a long-time Brentwood resident who has been an avid supporter of the community. She is the proud mother of two sons, Nathan and Stephen and five grandchildren. She is retired from 35 years as an educator and is now managing the family business, Gursky Ranch Country Store, founded in 1980. Believing that it is important to give back to the hometown that she loves, she has been an active participant in community organizations and activities including: Soroptimist International of the Delta, Relay for Life, Children’s Home Society, Harvest time, Brentwood Chamber of Commerce.

Maggie Northcut

Magdalena Northcut
East Contra Costa Historical Society
Brentwood Ambassador/ and Researcher
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Maria Galicia

As a passionate advocate for small businesses, Maria Galicia has dedicated her career to empowering entrepreneurs and their families. She understands the challenges they face and leverages her expertise to provide comprehensive support and protection. Maria's mission is to enrich lives by making legal resources accessible, ensuring every small business owner has the tools to succeed and safeguard their hard-earned achievements. Additionally, her commitment to protecting against identity theft offers peace of mind in a digital age.

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Maribel Ruvalcaba

Born and raised in California, I'm proud to serve Brentwood, CA and the entire Bay Area as your local Farmers Insurance® Agent. At The Maribel Ruvalcaba Agency, we pride ourselves on providing outstanding customer service and ensuring each client is educated on their specific coverage options.
Feel free to stop by our office which is conveniently located right off of Elkins Way, across from Sunset Park Athletic Complex. We will ensure that this process is straightforward and personalized to help you select the most comprehensive, cost-effective solution.
With over a decade of experience in the insurance industry, I have the knowledge and skill set to help you better understand your coverage options--whether that be for life, business, auto, home insurance, and much more!
Give me a call at (925) 392-8243 and I'll be happy to answer any questions you might have
Sarah Christine

Sarah Christine

Sarah Christine is the owner of Gleam Boutique and California Gleamin Wellness Spa, where she blends fashion, wellness, and community into everyday experiences. A passionate advocate for small businesses, she serves as a Director for the Downtown Brentwood Coalition and an Ambassador for the Brentwood Chamber of Commerce.

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Selina Rodriguez

As a Treasury Management Specialist with Fremont Bank, I specialize in finding cash management solutions, providing services to expand your business, exploring lending opportunities, and partnering with the right people to help your business grow. My passion is working in the community empowering clients with the knowledge and resources to help them succeed.

Becoming a Chamber Ambassador offers me the opportunity to network with passionate individuals who have a common goal of serving our community. When we come together, we thrive as a community and accomplish amazing things. Community Strong!

Tim Calvin

Tim Calvin

Tim is a dynamic leader, martial arts expert, and seasoned public safety professional with over three decades of experience across military, law enforcement, self-defense instruction, and nonprofit leadership. He is the Founder and CEO of Split-Second Response, a nationally respected organization specializing in reality-based self-defense and active threat training since 2000.

Tim holds an Ed.D. in Organizational Change and Administration from California Baptist University, an M.B.A. and a B.S. in Business Management from Western Governors University. His academic background supports a lifelong mission to empower individuals, organizations, and communities through education, leadership, and personal safety.

A highly accomplished martial artist, Tim holds an 8th Degree Black Belt in the self-defense system he founded, Conditioned Combat Response, as well as a 7th Degree Black Belt in Kajukenbo, 5th Degree in Senkotiros Arnis, and a Blue Belt in Brazilian Jiu-Jitsu. He is a certified Level II Krav Maga Instructor, a kickboxing instructor, and a subject matter expert in real-world self-defense tactics. His martial arts programs have trained civilians, law enforcement personnel, and military professionals alike.

Tim’s public safety career began with the United States Marine Corps, where he served as a HAWK missile operator and .50-caliber machine gun crew member during Operation Desert Storm, earning an honorable discharge at the rank of Sergeant (E-5). He transitioned to law enforcement with the Oakland Police Department, where he worked as a patrol officer and undercover narcotics officer. He later served with the Novato Police Department for six years, distinguishing himself as a S.W.A.T. team member, defensive tactics instructor, and Crime-Free Multi-Housing Program Director.

Tim holds more than a dozen instructor certifications, including BSIS Firearms and Baton Instructor, DOJ CCW and Firearm Safety Certificate Instructor, NRA Basic Pistol Instructor, NRA Range Safety Officer, USCCA Certified CCW and Home Defense Instructor, and Axon Taser Instructor. He is also certified by the American Red Cross and Health & Safety Institute (HSI) as a First Aid/CPR/AED Instructor, and trains professionals in active shooter response and chemical agent deployment.

Dedicated to giving back, Tim has served as Executive Director of AMAPA-4-Kids, a nonprofit focused on youth development, since 2005. His community leadership includes board service with the Kiwanis Club of the Delta-Antioch and the Antioch Police Athletic League (PAL). His impact has been recognized with several prestigious awards, including the 2014 Diversity Award from JFK University, the 2017 Men of Merit Award from the U.S. Congress and California State Assembly, and the 2020 Making a Difference Award from the Contra Costa County District Attorney’s Office.

With a rare blend of academic rigor, real-world tactical experience, and a deep commitment to service, Tim continues to lead with integrity, inspire transformation, and champion safety and empowerment in every community he serves.

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Kylie Zentner

Office Manager

Is born and raised in Brentwood and has played soccer her whole life. She went to Liberty High School where she played one year of JV and 3 years of Varsity soccer. She has received honorable mention sophomore year, 2nd team all-league junior year, first team all-league and MVP for her team her senior year. Throughout her time on varsity, she won the NCS championship and was a BVAL champs all three years on varsity. She graduated from Liberty in 2018 where she decided to attend and continue to play soccer at the next level at San Joaquin Delta College. She received her degree in Associates of Art and was a two-time semifinalist in State for California and 1st team her sophomore year. She later transferred to Fresno State to further her education and soccer career and played there for one year. She decided to transfer for her last season to Southern Utah University to further her soccer career and continue her education. In 2023 she graduated with her Bachelor’s degree in Business Communication. While Kylie was finishing her degree she moved home and worked at Dinos sandwich shop for two and half years. She quickly transitioned into coaching where she is currently in her second year of coaching for the 2012 Girls Yellow soccer team at East County Revolution FC and is also in her third-year coaching at Liberty High School. During her first two years she assisted her mom Julie on JV and she is now the assistant coach for Girls Varsity. Kylie is currently the office manager for Brentwood Chamber of Commerce and is excited to help her community grow.

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