Senior Staff Members
David Knego, Executive Director
R. Jan Gurley, MD — Medical Director
Valerie Williams — Health Center Director & Director of Primary Care Revenue Operations, SFDPH
Ann Tuszynski — Director of Clinical Programs
Toby Shorts, Senior Center Director
Sherri Barnes – Interim Nurse Manager
Arlo Bushnell, Director of Development
Rachel Ainza, Principal Clerk
David joined the management team of Curry Senior Center as the Executive Director in February 2007. David has a history working with the Civic Center and Tenderloin neighborhoods since 1989. Most recently, David served as the Executive Director of Little Brothers-Friends of the Elderly. He successfully expanded the agency’s volunteer-based programs supporting homebound and isolated elders. David also worked at Central City Hospitality House, a community center for low-income and homeless adults. He is a board member of Coalition of Agencies Serving the Elderly and he has served on the program planning committee for the American Society of Aging. David holds a Masters of Social Work degree from San Francisco State University.
R. Jan Gurley, M.D.
Jan has a B.A. in English from Emory and graduated Magna Cum Laude from Harvard Medical School. Having completed an Internal Medicine Residency at UCSF, Jan is Board Certified in Internal Medicine. She also completed a Stanford-UCSF Robert Wood Johnson Fellowship in Epidemiology, Cost Effectiveness and Public Policy, among many other fellowships, trainings and honors. Jan was previously Medical Director at Potrero Hill Health Center. Jan believes the practice of medicine should be based on data-driven decisions about tests and medications, while using the fewest medications possible and that primary care should include actively promoting health.
Valerie holds a Masters Degree in Public Administration and Bachelors degree in Accounting. Her working experience spans Nonprofits, For Profit, Universities, City & County as well as Federal and State Institutions in the areas of Budgeting, Finance, Contracts & Grant Administration, Organizational Development, Research Administration, Team Building, Community Outreach and Event Planning. Professionally, she’s held positions with University of Illinois Chicago (Chicago, IL), Rush University Medical Center (Chicago, IL), Thunder Road Adolescent Treatment Center (Oakland, CA), CPM, Inc., Oakland Unified School District (Oakland/Sacramento, CA), Univ. of California San Francisco (San Francisco, CA), Kaiser Permanente (Oakland, CA) and now City & County of San Francisco, DPH.
Ann has a B.A. in Sociology from Douglas College, Rutgers University and an MSW from the University of Pennsylvania School of Social Work. She is a Licensed Clinical Social Worker who brings a wealth of experience to Curry Senior Center. She previously worked at Brown & Toland, San Francisco, Catholic Charities Diocese of Camden, New Jersey and was in private practice for 20 years at Coastal Counseling in Mamora, New Jersey. Ann also worked at Family Association of Atlantic County where she was the Vice President for Professional Services.
Toby has a B.A. in Anthropology and a Masters degree in Adult and Higher Education Administration, both from the University of Missouri – St. Louis. He joined Curry in 2013 as the Residential Manager for Curry’s housing for formerly homeless seniors and is now Senior Center Director, overseeing social and educational programs and managing the partner agency contracts with Project Open Hand, Felton Institute, Shanti, and Openhouse. Toby is active in local efforts to support safety and security in the Tenderloin and represents Curry Senior Center as a board member for the Tenderloin Community Benefit District where he sits on the Safe Passage and Public Right of Way committees.
Sherri Barnes began her nursing career in 1996 after receiving a Bachelors of Nursing Degree from Howard University. After graduation she accepted a nursing position with Healthcare for the Homeless in Washington D.C. where she served as a liaison for homeless clients. After relocating to San Francisco, Sherri joined the San Francisco DPH where her work with homeless citizens continued at Tom Waddell Clinic. Over the past seventeen years, Sherri’s work with the DPH has afforded her opportunities to serve the community in various locations such as the Family Health Center, Shelter Health Nursing, and OBOT (Office Based Opioid Treatment) programs.