Chief Executive Officer
Mary was appointed CEO of Side by Side in January 2010. Previously, Mary served as Side by Side’s Chief Finance and Administrative Officer (2008 to December 2009), and Chief Financial Officer (2000 to 2003). Prior to joining the agency, Mary consulted with major international banks and financial institutions in strategy, policy and business implementation in international investments and financial markets, following a 19-year career at Bank of America in international syndicated lending and investment management. She has consulted in the nonprofit sector and formerly served on the board of directors for the Marin Humane Society. Mary is a California native, and lived and worked in both New York and Latin America before returning to the Bay Area. She is proficient in Spanish and French and received her bachelor’s degree in economics at the University of California, Riverside, Phi Beta Kappa. She holds a master’s in business administration in Finance and International Business from the Haas School of Business at the University of California, Berkeley as well as the Chartered Financial Analyst designation.
Director of Property & Risk Management
Karen joined Side by Side in 1997. As the Director of Property & Risk Management, she manages all aspects of the agency’s property and risk management protocols to fulfill the mission and strategic goals of the organization while complying with state and federal regulations, relevant accreditation standards, and best practices. Karen earned her BA in Speech and Communication Studies from San Francisco State University.
Regional Director, East Bay
Rebecca has been with Side by Side since August 2005, serving as Director of Transitional Housing Services before accepting her current position as Regional Director for the East Bay in 2017. Prior to joining Side by Side, Rebecca worked for three years in the foster care unit for the Department of Social Services in Cecil County, Maryland and provided outpatient mental health services for children, adolescents and their families, as well as inpatient mental health services for adolescents in a locked psychiatric facility. Rebecca holds a master’s degree in social work from the University of Maryland and is a licensed clinical social worker.
Chief Financial Officer
Costa John joined Side by Side in 2019 as the Chief Financial Officer and has served as a consulting CFO for growth-oriented organizations in the San Francisco Bay. Costa has extensive experience in corporate financial management through his prior work in the software industry and in management consulting. In the nonprofit arena, Costa brings over 20 years of board and advisory service to nonprofit organizations, including prior roles as VP and board member of STAND! For Families Free of Violence, a shelter agency for battered women and children, as well as financial consulting roles for a high school, a preschool, homeless shelters, and various leading-edge arts organizations in San Francisco. Costa is also a hands-on volunteer with the Red Cross Disaster Services team.
Noelle R. Moss
Director of Development & Communications
Noelle joined Side by Side in 2017 as the Director of Development and became the Director of Development & Communications in July 2019. Most recently she served as Director of Development for Philharmonia Baroque Orchestra & Chorale in San Francisco and Development Manager for Marin Agricultural Land Trust (MALT) in West Marin. Noelle also brings extensive experience in events management through her work with San Francisco Opera, USC and UCLA. Originally from New England, Noelle received her B.A. from Smith College and a Master’s in Communication Management from the USC Annenberg School.
Director of Human Resources
Tiffany joined Side by Side as the Director of Human Resources in 2019. She oversees all aspects of the agency’s human resources department. Prior to joining Side by Side, Tiffany worked as a HR Generalist for Buckelew Programs and a HR Manager for Thermo Fisher Scientific. A California native, Tiffany has a passion for creating a positive work environment and supporting employees to deliver on our mission to serve local youth. In addition to a license in Marriage and Family Therapy, she also holds a bachelors in psychology and a masters in Counseling from San Francisco State University.
Director of Clinical Practice and Regional Director, North Bay
As the Director of Clinical Practice at Side by Side, Larry is responsible for clinical and data outcomes as well as quality assurance and quality improvement for the entire agency. In addition, in his role as Regional Director for the North Bay, Larry oversees the Community Counseling, YouThrive in Sonoma and Marin Counties and the TAY Space program in Marin. In addition, Originally from the Washington Metropolitan area, Larry started working as a social worker in New York City after receiving his MSW from Fordham University in 2002. In his 15 years of practice, he has worked as a therapist, program director, and clinical director in a variety of settings including psychiatric emergency services, HIV/AIDS service organizations, substance abuse programs, and medical and legal settings. In 2015, he received his MBA in marketing from Mills College in Oakland. Larry has spoken at national conferences and has been interviewed for national publications on mental health stigma in minority communities, advocacy for mental health services, and LGBTQ mental health issues. In recent years, he has been working on developing staff trainings for therapists and mental health workers as well as working on increasing diversity in the mental health field.