Jennifer Rider

Senior Executive Director

Jennifer is passionate about equity, education, and empowerment, and has focused her career on building opportunity and delivering social impact. She is an avid traveler, a voracious reader, an outdoor enthusiast, a lover of pets, and a dedicated single mother.

Grace Ihn

Associate Executive Director


Grace began her YMCA career in San Diego as a Youth Leader at Youth & Family Services YMCA and La Jolla YMCA. She has been passionate about working with youth and teens and excited to start her new position as the Admin Services Director. In her free time, Grace enjoys cooking, going to shows and spending time with friends.

Miranda Boon

Associate Executive Director


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!

Sheriann Chaw

Child Development Director


Sheriann’s greatest passion is working with the children, families and teachers in creating individualized programs for children to build a solid foundation for lifelong development. In her free time, she and her husband can be found cheering on their two daughters at their soccer games, karate tournaments, and piano recitals.

Tracey Esteban

Youth Development Director


Tracey Esteban is our Youth Development Director who has worked with Youth Development in Licensed Child Care programs, Preschool and Day Camp through YMCA of Silicon Valley at the El Camino branch for over 9 years. She's very excited to be here at the Peninsula Family YMCA to build new relationships with our staff and community.


Shakil Karim

Youth Development Director

Shakil Karim (AKA Shak) is joining Peninsula Team from Mission YMCA, Before his time at Mission, Shak worked at Urban Services YMCA, where he spent three years designing and managing programs across three different school sites. Before his career with the YMCA, Shak attended San Francisco State University, completed a two year term of service with AmeriCorps and has worked in every type of restaurant you can imagine. Beyond his career, Shak is part of a racial equity consultation group, an amateur at astronomy and loves vibrant social night life.

Board Members 

Edward Chang

Board Chair

VP Business Development

Freedom Financial Network

Alex Coimbra

Sr Clinical Imaging Scientist


Bill Craumer

Lavenir, Inc.

Carrie Hermann

Burlingame High School, College and Career Center

Nikita Jain

Product Marketing Manager




Pritika Goyal

Product Manager


Emma Shlaes

Director of Policy & Advocacy

Silicon Valley Bicycle Coalition

Nicole Warmerdam

Law Office of Nicole Warmerdam

Charles Wienbar

Consultant-Clinical Trial Manager

Gilead Sciences

Erik Winkler

Realtor/Sales Manager