Theresa De Dios

Senior Executive Director

Peninsula Family YMCA

Theresa grew up in South San Francisco and has a Bachelor’s Degree in Psychology from San Francisco State University. Theresa is well-known for her deep connections with community partners and her relationships with staff. Theresa is a tireless advocate for children and families and influences change beyond her work for the Y. When not at the Y, you can find Theresa spending time with her husband, daughter and extended family, hiking, or practicing her archery and boxing skills.

Miranda Boon

Associate Executive Director

Peninsula Family YMCA

(650) 294-2614

Miranda has always had a passion for health and wellness. In her free time she enjoys going to bay area sporting events, going to concerts, and playing out in the sun!

Bill Burke

Director of Youth Development

(650) 294-2638

Bill has worked in Youth Development for over 15 years and is passionate about building community within our San Mateo County school sites. In his spare time he loves running, reading, and participating in any outdoor activity.

Jillian Devine

Healthy Living Director

(650) 294-2624

Jillian is passionate about fitness, wellness and helping others lead heathy and happy lives. With over 20 years in the fitness industry, she strives to inspire those around her to enjoy fitness, movement, sports, games and play! In her off time, you can find her cheering on the SF Giants, dancing to live music or camping and hiking around our beautiful Northern California.

Carlos Rivas

Membership Director

(650) 294-2699

Carlos is a hardworking and goal-oriented person who joined the Peninsula Family YMCA in 2017. He is committed to his work with the members and his team. He strives to ensure that members feel welcomed and are taken care of. Carlos enjoys spending time with his family, playing fetch with his dog, and is an avid Bay Area sports fan.

Lariece Williams

Director of Youth Development

Lariece has majored in Early Childhood Education and finds working with children keeps her young at heart. She enjoys completing puzzles, listening to books on audible, going to Disneyland, and camping is a new adventure for the family.  

Board Members 

Alexandre Coimbra

Board Chair

Sr Clinical Imaging Scientist


Edward Chang

VP Business Development

Freedom Financial Network

Bill Craumer

Lavenir, Inc.

Margaret King

Vice President of Fintech Partnerships & Corporate Strategic Investments

Franklin Templeton Risk and Transformation group

Maria Majka

Andrew Okimura

Senior Consultant