Ben Mangan

is Executive Director of the Center for Social Sector Leadership and on the faculty at Berkeley Haas. He teaches two MBA classes – Strategy and Leadership for Social Impact and the Social Lean Launchpad. Ben brings more than 20 years of experience in social impact leadership and management, including executive roles in Ernst & Young’s Public Private Development Group, and at an early virtual currency tech firm called where he led organizational strategy.

Before joining Haas, Ben was the President, CEO and Co-Founder of EARN, a nonprofit social venture which uses the power of micro-savings and technology to help low-income workers in 16 states across the nation spark new cycles of prosperity.

Ben has served on several nonprofit boards and won numerous awards including Fast Company Social Capitalist of the Year, James Irvine Foundation Leadership Award and Tipping Point Community Award. He holds a Bachelor of Arts from Vassar College and a Master of Public Policy from Harvard University’s Kennedy School.

Ben is also a Senior Fellow at the Aspen Institute, and an appointee of the Community Advisory Council of the Federal Reserve Board.

Stéphanie van Nassau

is Program coordinator at the Center for Social Sector Leadership and oversees the administration and logistics of the Center’s events. She manages event planning, accounting, and expense reports. Prior to joining CSSL, Stephanie was a project manager at an Incentive Travel Company in New York City. Before moving to the States she worked in communications at the Association of Universities of Applied Sciences in the Netherlands. Stéphanie is in the office on Monday, Tuesday and Thursday and spends the rest of her time at the playground with her children.

Stephanie can be reached at 510-642-4884 or by email.

Mark Westover

is Associate Director, managing the team’s back office initiatives. Prior to joining Berkeley Haas, Mark was CFO of xMatters, where he led a $15M debt financing and rebuilt the back office for a future IPO. Before that at LiveOps, Mark was responsible for Corporate Development and Finance where he split the company into two entities, raised $30M in debt financing and acquired two companies in the Call Center Software space. Mark spent ten years at Sybase/SAP in various strategic development roles. He was instrumental in reversing the financial and strategic decline of the company through appropriate market positioning, acquisitions, and finally the acquisition of Sybase by SAP.

Mark holds a MBA from the University of Chicago Booth and a BS in Mathematics from the University of Illinois, Urbana-Champaign. When not at work, he enjoys spending time with his family, cooking, cycling and watching Arsenal.

Philanthropy Fellows

Diana Garcia

Children, Families, and Communities Program

Diana joined the Children, Families, and Communities Program at the Packard Foundation as a Program Analyst in June 2018. Her interest in the overall well-being of children and families stems from her experience in NYC as an early childhood teacher. Prior to joining the foundation, Diana worked on a variety of projects related to program evaluation and development of community-based health interventions. She is committed to improving the health and well-being of marginalized communities using a systems wide approach. Diana graduated from Emory University’s Rollins School of Public Health with a Master of Public Health from the Behavioral Sciences and Health Education department and a certificate in Maternal and Child Health. She also holds a B.A. from UC Berkeley.

Shiyu Rachel Wang

Conservation and Science Program, Oceans

Rachel joined the Conservation and Science Program at the Packard Foundation as a Program Research Analyst. Her interests lie in improving global sustainable fisheries and aquaculture, protecting coastal wetlands, and enhancing environmental justice for underrepresented communities. She provides research and analysis to inform and evaluate the Ocean Strategy Framework.  She also supports China’s ocean NGO capacity building by engaging with grantees and developing workstreams. Prior to joining the Foundation, Rachel served the National Oceanic and Atmospheric Administration as a John A. Knauss Marine Policy Fellow, working for the National Fisheries Service, Office of Aquaculture. Trained as an ecologist, Rachel received her M.S. from the University of Georgia, studying the carbon exchange in the salt marsh estuarine ecosystem. She also holds a B.S. in Chemistry from the Ocean University of China.

Learn more about Philanthropy Fellows

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