Meet the Ritter Staff

Meet the Ritter Staff 2017-09-14T16:29:54+00:00
Linda Tavaszi
Linda TavasziChief Executive Officer
Linda Tavaszi has spent her entire career in healthcare, including in leadership positions for the Marin Community Clinics, Marin General Hospital and Kentfield Specialty Hospital. She holds a doctorate in healthcare administration from Walden University of Florida and master’s degrees in social work and public administration from Fordham University and University of Southern California.
Cia Byrnes
Cia ByrnesChief Medical Officer
Cia Byrnes, Ritter Center’s Chief Medical Officer, has been with Ritter Center since 2008 as its Health Clinic Administrator and practicing Nurse Practitioner. Throughout her career, Cia has demonstrated the ability to build collaborative partnerships and has been a leader in the effective delivery of health care and social services.
Benjamin Leroi
Benjamin LeroiDeputy Director
Benjamin Leroi has worked to further Ritter Center’s mission since 2007. He has worked for Bay Area nonprofit organizations in the health and human services field since 2000 and has experience in program operations, fund development, database administration, grants management and program evaluation. Benjamin holds a Master’s Degree in Public and Nonprofit Administration from San Francisco State University and is an advocate for further integration of healthcare and housing systems and services.
Simon Tiles
Simon TilesDirector of Operations & Community Development
Simón Tiles joined the Ritter Center in 2009. Originally from Venezuela, Simón has significant experience working with underserved communities, including day laborers in Marin as well as Latino students and their families at both Berkeley and San Rafael High Schools. He first joined the Ritter Center team as a project coordinator to help create an employment resource for day laborers and part-time workers. He then served as a case manager for 3 years before transitioning to his current role. Simón lives in Berkeley with his wife and 2 kids.
Colin McDonnell
Colin McDonnellCase Management Director
Colin McDonnell has been working at the agency since 2009. After moving to the Bay Area in 2008, he became involved with a non-profit that was doing outreach to help support social services for homeless populations in San Francisco. This sparked an interest in advocacy work with disenfranchised and vulnerable populations. Colin currently lives in Oakland with his wife, who practices family medicine at clinics in the East Bay. He enjoys exploring the abundance of open spaces in the Bay Area and working in his garden when he can find the time to do so.
Erica Sutherland
Erica SutherlandNurse Practitioner
Erica Sutherland is a Family Nurse Practitioner who began working at the Ritter Center in 2011. A native of Marin County, she received her Masters of Science in Nursing at Vanderbilt University in Nashville TN. She brings a wide range of experience to the organization from a career of over 35 years in health care. Erica began her work with the Ritter Center first as the Nurse Case Manager for the Transition to Wellness Program. She is currently a practicing FNP, and Director of the Health Clinic. Erica resides in Marin and is a Masters Swimmer for both competition and fun, and is known to frequent pools, lakes, or the San Francisco Bay.
Shaun Marshall
Shaun MarshallManager, Facilities & Client Services
Shaun Marshall first came to Ritter Center in January 2004. After a few years exploring other opportunities he returned to the agency in 2010 as the Volunteer Coordinator. He enjoys working with all kinds of people, including managing volunteers from all walks of life, helping to show our community the value of a food pantry. Shaun finds that working in social services and being a weekend musician and writer provides him with a robust set of experiences that enhance his life over all.
Heidi Platt
Heidi PlattProgram Director for the Safety Net
Heidi Platt has been with the Ritter Center since January of 2016. She is a certified substance abuse counselor who brings three and a half years of experience in the addiction field. Heidi believes in offering clients access to group therapy, as well as individual counseling and personalized treatment planning. Heidi is a strong advocate for the integration of social services, including providing case management and warm handoffs to other providers in order to provide wrap-around care.