Leadership Staff

Hamilton Family Center is successful thanks to the hard work and expertise of our staff, from the Leadership Team listed here to the dedicated Residential Counselors, Case Managers, Coordinators, Therapists, and other professionals working in all of our programs.

Jeff.KositskyExecutive Director
Jeff Kositsky assumed leadership of Hamilton Family Center in 2013.  His commitment to social and economic justice spans an impressive career of more than 20 years directing nonprofit human service programs and organizations.  From 2001 to 2010, he was executive director of Community Housing Partnership, a nonprofit affordable housing developer in San Francisco that provides support services and job opportunities to thousands of homeless adults and families.  He has served on several nonprofit boards, including San Francisco’s Coalition on Homelessness, and was a Commissioner on Sacramento’s Hunger Commission. Jeff earned a Master of Public Affairs from the University of Texas and a Bachelor of Arts in Economics and International Relations from American University in Washington, D.C.  He lives with his wife and two daughters in San Francisco.

Devra EdelmanDeputy Director, Programs
Devra Edelman has worked at Hamilton since 2005 and previously worked for five years as Executive Director of the Haight Ashbury Food Program. She received a Master of Social Work and a Master of Arts in International Development from the University of Denver in 1996 and worked in Colorado, California and internationally with homeless families and individuals for more than 18 years. She provides operational oversight and directly supervises the program directors of Hamilton Family Center’s shelter and transitional housing programs, including case management and youth services.

392184_10150491247872248_562527247_8770016_145292448_nDeputy Director, Operations
Jack Fagan joined Hamilton in 2008, but has been working in nonprofit human services since 1987. At Penn State, he majored in Individual and Family Studies with minors in women’s and African American studies. For many years, he directed programs at disability service and advocacy agencies, and has extensive experience in organizational development, strategic planning and outcomes management. From 2003-07, he was Co-Chair of the San Francisco Mayor’s Disability Council under both Willie Brown and Gavin Newsom. At Hamilton, he oversees human resources, technology and facilities, and works closely with the leadership team to measure and ensure operational efficiency and quality assurance.

monicaDirector of Human Resources
Monica Harlow has worked for over ten years in program management in community-based, multiservice organizations in the Bay Area. During her career, she has worked with runaway and homeless youth, juvenile offenders, formerly homeless single adults, and low income and homeless families. Monica is returning to Hamilton Family Center, having been the program director at the family shelter program from 2007 to 2010. Monica has a Master’s Degree in Organization Development from Sonoma State University and is excited to bring her experience with employee engagement, training, and professional development to Hamilton Family Center.

Elizabeth Hewson Elizabeth joined the Hamilton Family Center team in December 2014. She brings over 20 years of experience in the nonprofit sector, including 15 years in homeless services and affordable housing in the San Francisco Bay Area. She has extensive experience developing and growing programs, ranging from job training programs for adults who have experienced homelessness, to a micro-credit program for refugees and marginalized communities in Latin America. She oversaw the operations of an affordable housing organization that provides housing, services and job opportunities to homeless adults and families, as it grew in size from a $6million to a $25million annual budget. As Director of Housing, Elizabeth oversee’s Hamilton Family Center’s homelessness prevention and rapid re-housing programs, as well as initiatives to enhance the organization’s ability to use data-informed decision-making to improve programs and achieve HFC’s strategic goals.

Director of Finance
Rosa Martinez has worked for Hamilton Family Center as Director of Finance since 1998. She has a Bachelor of Science in Business Administration and Accounting from California State University. As Director of Finance, Rosa works closely with the Executive Director, the Board of Directors, the Board Finance Committee, and the agency’s Independent Auditors, as well as with the San Francisco Mayor’s Office on Housing, the Department of Human Services and the Superior Court, among other local, state, and federal agencies.


Director of Development 
Debbie Wilber initially joined Hamilton Family Center in October 2009 as the Children’s Program Coordinator at our emergency shelter but soon transitioned to managing volunteer services & community partnerships agency-wide. In June 2015, Debbie was promoted to Development Director, overseeing the development team staff and providing oversight of Hamilton’s fundraising plan.  Prior to coming to Hamilton Family Center, Debbie worked for Conservation Corps North Bay and The Salvation Army. She has a Bachelor of Science in Civil Engineering from Northwestern University and worked for several years managing construction projects for a private firm as well as for Habitat for Humanity International for 5 years in Poland and Hungary.

JoscelynMeadorProgram Director, Transitional Housing Program
Joscelyn Meador
has been working at THP for more than 5 years; and prior to her employment, volunteered in the children’s program at HFC’s emergency shelter.  She has a BA from San Francisco State University and interned for San Francisco Court Appointed Special Advocates (CASA). She has also volunteered with the Coalition on Homelessness.  Before working at Hamilton Family Center, Joscelyn managed Residential Services at San Francisco State University for 5 years.

Ralph PaytonProgram Director, Hamilton Family Shelter
Ralph Payton joined our team in August 2011. He has several years of experience directing homeless shelters, transitional housing and youth programs in Miami and The Bronx, and has a Master of Science in Clinical Psychology from Nova Southeastern University in Fort Lauderdale.