Our Team

Learn more about the dedicated leaders behind ECS's work:

Leadership Team

Beth Stokes
Executive Director

Beth has nearly 20 years of experience in housing and homeless services, with her work beginning at the Coalition on Homelessness. Most recently, Beth served as the Western Region Managing Director for the Corporation for Supportive Housing (CSH), based in Los Angeles. Previously, she was Director of Programs for the Los Angeles Homeless Services Authority and served as Executive Director of Hamilton Families. Beth received her MSW in Social Welfare, Administration and Planning from San Francisco State University.

Chris Callandrillo
Chief Operating Officer

Chris has over 20 years of experience in the administration of programs and services for people experiencing homelessness, including: families and children; single adults; seniors; Transitional Aged Youth; and, those affected by HIV/AIDS. Chris worked with Catholic Charities of San Francisco for 14 years before accepting the role as Director of Programs at the Los Angeles Homeless Services Authority (LAHSA). Chris holds a BA in English from UC Berkeley, as well as an MA in Education from Stanford University.  

Michelle Diaz
Director, Human Resources

Michelle is an accomplished HR professional with 19 years of extensive experience in all aspects of Human Resources. She joined ECS coming from the security industry, where she held similar positions of Regional Labor Relations Manager, Regional Director of Human Resources, and Divisional Director of Recruitment. 

Scott Ecker
Director, Housing

Scott has been with ECS since 2001, and managed the Support Services teams at several of our housing sites before becoming the Director of Housing Services. Scott holds a BA in psychology and an MS in clinical psychology, and offers over 20 years of experience working in the community mental health and supportive housing fields. 

Eric Larra
Chief Financial Officer

Eric joined Episcopal Community Services in September 2014. Eric is a seasoned financial professional with over 25 years of experience including accounting and auditing, financial management and analysis, business planning and consulting. His previous employers include KPMG, Levi Strauss & Co, the Sierra Club, and Northern California Presbyterian Homes and Services.

John Ouertani
Director, Shelters

John has over two decades of experience in the human services field, much of that with managing ECS' crisis shelters and piloting of San Francisco’s low-threshold, service-rich Navigation Centers for homeless adults’ pathways out of homelessness. John was part of the team launching the nations first Navigation Center on Mission St. and continues to consult with municipalities, not just in SF but across the country, growing their capacities to open Navigation Centers in their communities.

Liz Pocock
Director, Housing Development and Asset Management

Liz has worked in affordable and supportive housing since 1999. Prior to joining ECS, Liz was Director of Property Management for Citizens Housing Corporation and also spent four years working with asset management and affordable home ownership programs at the Los Angeles Community Design Center (now Abode Communities). Liz holds a BFA from New York University.

Jason Pruett
Director, Workforce Development and Social Enterprise

Jason has over 8 years of experience working in not-for-profit workforce development and food-related social enterprises in Chicago, IL. He has worked directly with the recruiting and training of agency participants, fostering relationships with prospective employers, developing/revising food-service training curriculum, promoting the organization through public speaking engagements, implementing budgeting and revenue goals for the social enterprise along with cooking and serving meals to agency participants and the public. 

Liz Tarzon
Director, Healthy Aging

Liz joined ECS in November 2018 with over 15 years of experience in working with seniors with a wide range of needs and economic backgrounds. She holds an MA in Gerontology and has enjoyed a variety of roles in areas of Case Management, Programming, Staff Training and Administration. Her work has given her great exposure in finding solutions to the difficulties seniors face including cognitive issues, affordable housing, diminishing mobility and end-of-life care. 

Kathy Treggiari
Director, Programs

Kathy is a seasoned professional in homeless services, with over 16 years of senior management experience at various agencies, including Resources for Community Development, Community Housing Partnership, Harbor Homes, and Lowell Transitional Living Center. Kathy was instrumental in the opening of the nations first Navigation Center on Mission St. and continues to consult with municipalities, not just in SF but across to country, growing their capacities to open Navigation Centers of their own.


Munisha Vohra
Director, Clinical Services

Munisha joined ECS in July 2019 with nearly 25 years of experience in social work, program management, staff development and supervision, interagency collaboration, child welfare, and the juvenile court system. Her clinical expertise also includes dual diagnosis, elder dementia, and psychosocial care for families facing cancer. Prior to joining ECS, Munisha served as Supervisor for Contra Costa County Child & Family Services and Therapist for Cancer Support Community.

Board of Directors

The Rt. Rev. Marc Handley Andrus, Chair
Bishop of the Episcopal Diocese of California

The Rev. Ellen Clark-King
Executive Pastor and Canon for Social Justice, Grace Cathedral

Todd Clayter 
Senior Development Manager, Tabernacle Community Dev. Corporation

Sedgwick C. Dienst
Co-Founder, KCA Partners, Ltd.

Keith Geeslin
Partner, Francisco Partners

Richard Gill
Senior Partner, Wealth Capital Partners

Dr. Martin C. Jones
Psychologist (Retired)

Susan Ketcham
Principal, Ballad Consulting

Frederic Knapp, Vice President/Secretary
Principal, Knapp Architects

Gordon Leong, President
Finance Executive (Retired)

Rita Mouton-Patterson
CHEF and former CHEFS student

Megan Robershotte
Senior Manager, Partner Marketing, Slack

The Rev. Susanna Singer
Assoc. Professor of Ministry Development
Director, Doctor of Ministry Program, Church Divinity School of the Pacific

Richard Springwater
Real Estate Developer
Springwater Investments, LLC

Beth Stokes, Executive Director
Episcopal Community Services

Yvonne Tatsuno, VP/Treasurer
Finance Executive (Retired)

Kirby Brooks Todd
Managing Director, Epic Signal / Mekanism

S. Hassan Zaidi
Managing Director, AMJ Capital