A Diverse Leadership Leads to Better Results

The ECS staff, who are the heart and soul of our organization, are led by a group of individuals chosen for their qualifications, experience across nonprofit and industry, and most importantly, commitment to housing first. Along with diversity of knowledge, experience, and expertise, ECS is determined to continue to recruit leadership as diverse as our staff and those we serve.

We are actively recruiting for several leadership positions. If you are passionate about our mission, apply to join our team here.

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Rick Aguilar, CPA

Senior Controller

About Rick
Rick joined ECS in 2017, having worked in the real estate development and property management fields for over eight years. His experience spans both non-profit (Satellite Affordable Housing Associates) and privately held entities (Martin Building Company). Prior to these positions, he was engaged in the practice of public accounting and financial consulting services for several years in California and Texas. Rick is a licensed Certified Public Accountant and a graduate of the McCombs School of Business at the University of Texas.

Outside of his professional life, Rick is an avid runner. When not at ECS, he can usually be found on the streets of San Francisco running in the cold and fog, especially in and around Golden Gate Park. Rick has completed 35 half-marathons and competed in various races of lesser distances.

Ceedral Armstrong

Director of Interim Housing

About Ceedral
Ceedral is a Certified Substance Use Disorder Counselor and Mental Health Rehabilitation Specialist with over twenty years of experience. She has a proven track record of building and maintaining successful relationships, managing projects, and designing organizational strategies within the counseling field and beyond.

Ceedral served as Compliance Director at HealthRIGHT 360, where she ensured adherence to agency, state, and federal requirements, assisted with internal audits and monitoring activities, and supervised the Regional Compliance Coordinators. Additionally, at HealthRIGHT 360, Ceedral was the Program Director, overseeing staff and intern training, and ensuring that services were informed, culturally sensitive, and effectively delivered to all participants.

Before her tenure at HealthRIGHT 360, Ceedral spent seven years at the Progress Foundation as Program Director. There, she managed all facility operations, worked closely with the team to ensure quality assurance, implemented policies and standards, and ensured that documentation met Medi-Cal certification standards.

Ceedral holds a master’s degree in healthcare administration.

Jan-Marie Bannon

Director of Strategic Initiatives

About Jan-Marie
Jan-Marie came to ECS in 2018 with more than 20 years of project management experience in both the private and non-profit sectors. She has project-managed the development of corporate strategic plans and worked closely with change management consultants to implement trainings and integrate improved systems and processes.

Jan-Marie believes that society should be judged by how it treats its most vulnerable citizens. She is honored to work with an organization dedicated to partnering with vulnerable community members to provide access to housing and tailored services. Jan-Marie has spent many years volunteering with diverse communities at such organizations as La Casa de las Madres, W.O.M.A.N, Inc., Open Hand, St. Anthonys and Shanti Project, and currently volunteers with Zen Hospice.

When not at work, she can be found hiking, communing with nature and reading about seemingly ordinary individuals who are doing extraordinary things to change the world. Jan-Marie holds a Bachelor of Arts in Psychology with a Minor in Sociology from San Francisco State University.

Ellie Bozmarova

Associate Director of Development & Communications

About Ellie
Ellie Bozmarova comes to ECS with in-depth communications and development expertise gained through seven years of experience in Bay Area nonprofits. Previously, she worked with the Evelyn and Walter Haas, Jr. Fund, Grace Cathedral, and First Presbyterian Church of Berkeley.

She's a storyteller and is passionate about helping others find their voice.

She holds an MFA in Creative Nonfiction from Goucher College and BA in English from UC Berkeley.

Shelly Brown

Associate Director of Housing Services

About Shelly
Shelly Brown is originally from upstate New York. Shelly has lived in the bay area since 1989. Shelly came to ECS with over 20+ years of experience working in perinatal services, women services, co-ed residential substance abuse counseling and other marginalized populations. Shelly began working with ECS in 2008 as an Assistant Support Services Manager. Since 2011 she has been the Support Services Manager working with previously homeless families at Canon Barcus Community House. In 2014 she also became the Support Services Manager 1180 4th St. Working with families in ending generational homelessness is her passion.

Maggie Burkle

Associate Director of Behavioral Health

About Maggie
Maggie Burkle, LMFT, is a 2011 graduate of CIIS in the Drama Therapy Program and has worked at ECS for 11 years, both in Behavioral Health and the Housing Department. As a mental and behavioral health professional and a white, cis-gender, queer woman, she consciously centers an anti-racist, anti-oppression deconstruction of psychology and therapeutic practices. Maggie also provides workshops for Staff and consumers on Gender Expression – to explore the ways everyone is experiencing gender so that ECS programs can be a safer place for transgender, agender, non-binary, and gender-nonconforming people.

Maggie is a trained actor, director, choreographer, and all-around ham. She loves to collage, craft, and deconstruct pop culture from an anti-oppression lens.

Chris Callandrillo

Chief Program Officer

About Chris
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 age youth, and those affected by HIV/AIDS. Chris joined ECS as Chief Operating Officer in 2018 and transitioned to the role of Chief Program Officer in early 2022. Prior to his tenure at ECS, Chris worked with Catholic Charities of San Francisco for 14 years and in program leadership at the Los Angeles Homeless Services Authority (LAHSA) for 6 years. Chris holds a BA in English from UC Berkeley, as well as an MA in Education from Stanford University.

In his spare time, Chris kayaks, spends time with his dog and enjoys the beautiful sunsets at local beaches in San Francisco.

Nang Cao

Deputy Director of Housing Stability

About Nang
Nang joins ECS with more than 12 years of management experience in the non-profit sector and with two decades of clinical experience. Most recently, Nang served as the Senior Director of Health and Wellness, Santa Clara County, with Abode Services where he oversaw six permanent supportive housing sites, a mental health outreach team, an intensive case management team serving veterans, and a behavioral healthcare program. At Abode Services, he provided leadership to clinical teams in Santa Clara County, including Project Welcome Home, Second Street Studios, Renascent Place, and Eagle Park.

Prior to this role, Nang was the Senior Director of Intensive Behavioral Health at East Bay Agency for Children (EBAC). He is also an accomplished clinical supervisor who has trained hundreds of social workers over the past 16 years. Nang holds a master’s degree in Social Work from the University of California at Berkeley and a Master of Public Administration degree from San Jose State University. He has been a Licensed Clinical Social Worker since 2000.

The role of Deputy Director of Housing Stability and Partnerships is a newly created position, which will serve as a systems-focused and solutions-oriented role, responsible for overseeing ECS’ growing portfolio of innovative housing solutions and implementing its ambitious strategic plan. Nang is working directly with Adult Coordinated Entry, Housing Stabilization and Partnerships (Scattered Site Housing), and Housing Services.

Mauricio Cordova Flores

Chief Operating Officer

About Mauricio
Mauricio comes to ECS with over 25 years of operational leadership in the non-profit and for-profit sectors. In his immediate past role as the Chief Operating Officer at Loaves and Fishes Family Kitchen in San Jose, California, Mauricio was responsible for operations, facilities, budgeting, contracts, and meal programs that distribute over 1.8 million prepared meals to the community in the South Bay. Prior to his role at Loaves, Mauricio held major leadership positions in operations and sales in the private sector. Mauricio holds a bachelor's degree in Business Administration from California State University, East Bay, and certificates in Nonprofit Organizational Management from the University of the Pacific.

Michelle Diaz

Senior Director of Human Resources

About Michelle
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

Senior Director of Housing Services

About Scott
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.

Ann Rutigliano

Senior Director of Finance and Accounting - Housing Affiliates

About Ann
Coming soon!

Zak Franet

Director of Policy and Public Affairs

About Zak
Zak has spent the better part of a decade working in local politics, advocacy and public affairs. Before joining ECS, Zak was a Director at Ground Floor Public Affairs, where he specialized in providing tailored public relations services to mission driven nonprofits in the human services space, including ECS. In addition to his professional history, Zak also has lived experience with homelessness and addiction, and has held Lived Experience Leadership positions with All Home CA, Larkin Street Youth Services, and the City and County of San Francisco. A lifelong Bay Area resident, Zak is deeply passionate about ending homelessness and poverty in our communities.

Travis Hamilton

Associate Director of Housing Services

About Travis
Travis Hamilton is grateful to have worked in various roles with several non-profits for over 20 years. He has been part of the start-up of several permanent supportive housing sites throughout San Francisco. He has an undergraduate degree in Integral Studies from the California Institute of Integral Studies and studied Organizational Psychology at John F Kennedy University.

Travis lives in the East Bay. He enjoys working on home projects, and his 4 doggies keep his hands full.

Monica Harlow

Deputy Director of Services

About Monica
Monica joins ECS with over 15 years of experience in the non-profit sector. Most recently, Monica served as the Director of Human Resources and Administration at Habitat for Humanity Greater San Francisco. In addition to her years in administration, she has run a family shelter for Hamilton Families and was Director of Support Services at Tenderloin Housing Clinic.

The role of Deputy Director of Services is a newly created position responsible for overseeing ECS’ portfolio of programs and services in Interim Housing, Healthy Aging, Workforce Development and Social Enterprise, and Behavioral Health. Monica holds a BA in Psychology from State University of New York at Albay, an MA in Organization Development from Sonoma State University, and is currently working on a Master of Arts degree in Integral Counseling Psychology at California Institute of Integral Studies.

Michael Hersher

Director of Impact and Analytics

About Michael
Michael brings expertise in evaluation and analytics from across the social and private sectors to ECS. Michael’s approach to analytics is informed by his past work on emergency shelter planning and incident dispatch at the American Red Cross and industrial analytics at Kespry. He is skilled at fostering a culture of data-driven decision-making across an organization and has built analytics functions and teams within both new and established organizations. Michael holds an AB in Biochemistry from Harvard College.

A new father, most of Michael’s time outside of work is dedicated to raising his newborn. Michael is also a backpacker and wildlife & nature photographer.

Justin Hurd

Senior Associate Director of Human Resources

About Justin
Coming soon.

Natalie Hopner

Director of Workforce Development

About Natalie
Natalie brings over 15 years of experience in nonprofit administration and workforce development to her work in ECS’s vision to equip individuals with the tools for success no matter their station in life. In her career, Natalie has gained experience in a diverse set of essential roles including in executive support, administrative, operations, compliance, program management, hospitality and healthcare, adult education, English language development, job readiness, fundraising, and public relations areas. She also served as an Interim Executive Director. She began her tenure at ECS in January of 2019 as Workforce Development Manager.

Natalie holds a Bachelor of Arts in Environmental Studies and Anthropology from the University of California at Santa Cruz and a Certificate of English Language Teaching to Adults (CELTA). She also serves as the President of the Board for the Conspiracy of Beards, a nonprofit arts organization.

Born in Switzerland, Natalie has also lived in the UK and Spain. She is fluent in Spanish and English and conversational in French.

Beyond professional life and language, Natalie’s talents extend to, among other things, music. She plays the piano, sings with a female range vocal ensemble, and has own rock-funk-prog band where she does keys and vocals.

Eric Larra

Chief Financial Officer

About Eric
Eric joined ECS 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.

Grant Lautz

Assistant Controller

About Grant
Bio coming soon.

Tiffany Luong

Senior Director of Finance and Planning

About Tiffany
Tiffany comes to ECS from On Lok, where she was Director of Financial Planning and Analysis for four years. Previously, she held a similar position at the Jewish Senior Living Group in San Francisco. Tiffany holds an MBA in Finance from California State Fullerton and a BS in Finance from San Diego State University.

In her free time, Tiffany enjoys cooking for her family and friends.

Ryan Lim

Director of Housing Stability and Partnerships

About Ryan
Ryan has over 18 years’ experience in the human services field, primarily in managing large residential treatment programs for adults with co-occurring mental health and substance use disorders. Ryan has worked in a variety of settings, from locked psychiatric units to permanent supportive housing for people living with HIV, and is a certified drug and alcohol counselor.

A longtime resident of San Francisco, Ryan loves his city and believes in serving his neighbors.

John Ouertani

Director of Operations

About John
John Ouertani has more than two decades of experience in the human services field, much of that with managing ECS’s crisis shelters, piloting of San Francisco’s low-threshold, service-rich Navigation Centers and Adult Coordinate Entry Access Points for homeless adults’ pathways out of homelessness. John was an integral part of ECS’ and the city’s homelessness response during the early days of the COVID pandemic, having led ECS teams to launch 8 different Shelter in Place (SIP) hotel sites.

John is a proud fan of Bay Area sports teams, including the San Francisco Giants, San Francisco 49ers, and the Golden State Warriors. He plays basketball and enjoys music and walks in the city. John also likes to cook and possesses exceptional culinary skills.

Katherine Sanderlin

Major Gifts Officer

About Katherine
Coming soon!

Rodrick Smith

Director of Adult Coordinated Entry

About Rodrick
Bio coming soon.

Dena Stein

Senior Director of Development

About Dena
Dena is a skilled development professional with more than fifteen years of experience in nonprofit management and faith-based fundraising. Before joining Episcopal Community Services of San Francisco, she served as a major gifts officer at the Jewish Community Federation and Endowment Fund of San Francisco.

Dena holds a master’s degree in nonprofit management from Hebrew Union College and is an alumna of the University of Connecticut. She is also a 21/64 certified philanthropic advisor and is passionate about supporting donors in transformative and impactful giving. She is deeply inspired by ECS’s mission to support homeless and very low income individuals with dignity and respect and is excited about aiding in this critical work.

Beth Stokes

Executive Director

About Beth
Beth has over 20 years of experience in housing and homeless services, with her work beginning at the Coalition on Homelessness. Previously, she served as the Western Region Managing Director for the Corporation for Supportive Housing (CSH), based in Los Angeles, Director of Programs for the Los Angeles Homeless Services Authority, and Executive Director of Hamilton Families of the Board of Directors of the Amity Foundation. Beth received her MSW in Social Welfare, Administration and Planning from San Francisco State University. Beth values a balanced approach to mental and physical wellbeing. She enjoys taking advantage of the beauty of living in the bay area, exploring and cycling through local landscapes and seascapes with her partner and friends.

Darcy Sullivan

Director of CHEFS & Social Enterprise

About Darcy
Darcy has a diverse background that blends her passion for food, sustainability, and community impact. Her journey started in traditional food service and organic farming, where she developed a deep appreciation for cultivating and preparing food that nourishes both people and the planet. She also owned her own coffee business, which taught her the ins and outs of entrepreneurship and reinforced her commitment to creating spaces where people feel connected and cared for. For the past seven years, Darcy has focused on culinary workforce development, social enterprise, and nonprofit management. These roles have allowed her to combine her love for food with a desire to create opportunities for others, helping individuals build skills and access pathways to meaningful employment. After living in Baltimore for 10 years, Darcy moved to Oakland three years ago, where she now lives with her partner and their kiddo and dog.

Michelle Welsh

Director of Human Resources

About Michelle
Michelle has extensive HR knowledge and experience working in Human Resources for the last 26 years. Michelle is an avid DIYer. She loves to renovate, decorate, build, and repair anything and everything in and around her home. Family means everything. Michelle is a proud mother of three amazing daughters.

Liz Tarzon

Director of Healthy Aging

About Liz
Liz has 2 decades of experience working with seniors with a wide range of needs and economic backgrounds, including her time here at ECS since 2018. 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.

Yolanda Whitney

Associate Director of Interim Housing

About Yolanda
Coming soon

Kristin Ullom

Clinical Associate Director of Housing Services

About Kristin
Kristin has been with ECS since 2012, when she started as a clinical intern and rose through the ranks quickly to managing several of the Support Services teams at our various housing sites before becoming the Clinical Associate Director of Housing Services. Kristin holds a BA in General Studies and an MA in Counseling Psychology. She brings over 10 years of experience working in community mental health.

In her spare time, Kristin likes to cook, hike and spend time with family and friends. She is also a sports enthusiast and a lover of animals, the earth, art, books, and coffee!

Paul Colley

Associate Director of Information Technology

About Paul
Paul has over 20 years of Senior IT Leadership experience. He has been responsible for all aspects of IT at ECS since the beginning of 2016. For nearly 12 years before joining ECS, he provided IT service for various programs and departments at UC Berkeley. He has a BA from UC Berkeley and a JD from New York Law School.

Paul lives in the East Bay with his partner, their teenager, one cat, and two rabbits. He enjoys sailing, cycling, politics, board games, and Star Trek.