Mike Berkowitz


Social impact strategist. Long-term thinker and student of history. Food addict. Global circumnavigator. Aspiring Spanish speaker. Co-founder of Giving Circles Fund. Ari and Levi’s dad!


Mike Berkowitz is co-founder and Principal of Third Plateau Social Impact Strategies, LLC. An experienced strategist and passionate believer in long-term solutions that drive social change, Mike leads much of Third Plateau’s philanthropic advisory and development strategy work.

Mike is a 21/64-certified philanthropy consultant and has counseled numerous individual donors, family foundations, and institutional foundations on their philanthropic strategies. He is a Senior Advisor to the Pritzker Innovation Fund, which supports the development and advancement of paradigm-shifting ideas to address the world’s most wicked problems. Mike has also advised dozens of nonprofit institutions on effective development strategy, community engagement strategy, strategic planning, and impact evaluation.

Prior to founding Third Plateau, Mike served as Senior Vice President for Operations and Strategy at the Bonner Group, Inc., a nonprofit and Democratic political fundraising firm in Washington, DC. In this capacity, Mike served as a lead consultant to the Democracy Alliance, a partnership of the nation’s top progressive philanthropists. At the Bonner Group, Mike oversaw fundraising for progressive nonprofit organizations, ballot initiative campaigns, and national and non-federal political candidates. He worked with some of the most respected research, education, and advocacy institutions in the nonprofit world, including the Center for American Progress, the Leadership Conference on Civil Rights, Media Matters for America, and the Sierra Club.

Before joining the Bonner Group, Mike worked at Mammen, Pritchard & Associates, a Democratic direct mail firm on Capitol Hill. Previously, he was the Public Policy Fellow at the Jewish Council for Public Affairs, where he was responsible for a range of policy issues, including election reform, hate crimes, and welfare reauthorization.

Mike is the co-founder and outgoing President of the Giving Circles Fund (formerly the One Percent Foundation), a nonprofit organization working to create a broad-based movement of next generation philanthropists by making giving more accessible, engaging, and meaningful for young adults.

A native of New York City, Mike lives in San Francisco with his wife, Debbie Tuttle Berkowitz, and their sons Ari and Levi. He has a B.A. in History, magna cum laude, from Brown University, where he was a member of Phi Beta Kappa.