Lauren Clapperton

Senior Executive Director of the Stonestown Family YMCA and Holistic Wellness Executive for the YMCA of San Francisco


Lauren impacts community health outcomes by leading and executing strategy, and building partnerships & results-driven teams. She's passionate about helping people realize their goals and become their healthiest selves.

Theresa De Dios

Branch Operations Director

Stonestown Family YMCA


Theresa has worked with the Y since 2003. Her purpose is to lead, foster, support, and inspire young people and staff to be responsible and the most impactful individuals in the communities we serve.

Danielle Fuentes

District Director of Senior Programs


Danielle has worked at the Y for 14 years with young and mature members and is currently the Senior Director of Membership and Seniors at Stonestown Family YMCA. She is committed to making lives better in spirit, mind, and body.

Marietta Gilman

Administrative Services Director


Marietta’s passion for innovative solutions drives her leadership of admin, A/R, A/P, auditing, HR, grant administration, development, safety & volunteerism.

Alyssa Zwingman

Senior Director of Healthy Living & Social Responsibility


Tiffany Kyu

Director of Membership


Tiffany wants to impact and help people find hope, support, and guidance to get to where they need to be.

Stacey Tanabe

Director of Healthy Living - Group Programs


Stacey has been with the Y since 2010 beginning as a Group Exercise Instructor. Her passion is to get people moving through Group Ex Programming while having fun, getting fit and creating lasting relationships.

Board Members 

Brian Wheeler

Managing Partner & General Counsel

SoftBank Investment Advisors

Clint Ladine

Senior Major Gift Officer

Sutter Health

David Byrd

Grants Manager

On Lok

David Garlasco

Elaine Kiso

Associate Director of Program Management in Clinical Development


Greg Teshara

Managing Director

Hutchinson Equipment Services

Holland Ja

Retired Telecommunications Executive

Kathy Burg

Retired Bio Pharmaceutical Professional

Lena McAfee

Head of Online Staffing Channels


Peggy Bley


Raghavan Sarathy

Robert Lunbeck

Board Chair


Lunbeck Advisory

Teresa Fitzgerald

Retired From Genentech