Board of Directors
Calvert Foundation’s Board of Directors and Investment Committees bring expertise in sustainable investing, social enterprise, asset management, and fundraising.
Co-Chairman and Finance Committee Chair
Wayne Silby founded Calvert, a $15 billion investment management group in Bethesda, MD noted for their leadership in the area of socially responsible investment. Though he is no longer active in most of the day-to-day business of Calvert, he serves as President of Calvert Social Investment Fund and supervises its private equity activities.
John G. Guffey, Jr.
John Guffey founded Calvert, a $15 billion investment management group in Bethesda, MD noted for their leadership in the area of socially responsible investment. He has worked as the Ventures Fund manager for the environmental and health care fields since 1998. He has degrees in Economics and Finance from the Wharton School of Finance at the University of Pennsylvania.
Corporate Development and Capital Adequacy Chair
Carol Atwood is founder and President of Spartacus Capital, which provides consulting and advisory services to organizations requiring high level strategic partnerships and fundraising support. Her past projects have covered an array of sectors including: clean tech, emerging markets (with a specific focus on China, West Africa and South America), natural resources, and the social media sectors.
Shari Berenbach’s distinguished 30-year career spans from microfinance to international banking. A pioneer in the impact investing field, Ms. Berenbach served as President and CEO of Calvert Foundation. In nearly 14 years (1997-2010), Ms. Berenbach grew Calvert Foundation from a pilot project to a $500 million institution serving thousands of investors and hundreds of local financial intermediaries in the US and around the globe.
Peggy Clark is the Executive Vice President for Policy Programs at the Aspen Institute and the Executive Director of Aspen Global Health and Development in Washington, D.C. From 1991 to 2000, she founded and served as the Executive Director of the Economic Opportunities Program at the Aspen Institute and received the Presidential Award for Excellence in Microenterprise Development from President Bill Clinton.
Frederick “Bart” Harvey
Audit Committee Chair
For over 30 years, Mr. Harvey has been an innovator in providing decent, affordable housing and a path out of poverty for low-income families. As the former Chair and CEO of Enterprise Community Partners, Bart is credited with growing Enterprise’s impact from investing $200 million supporting 5,000 affordable homes annually, to more than $1 billion supporting more than 20,000 homes annually.
Mary Houghton was a member of the senior management of Shorebank Corporation from its founding in 1973 was its President and responsible for expansion management. Shorebank was a regulated bank holding company which invested its own resources and attracted external resources to under-invested urban and rural communities in Illinois, Ohio, Michigan, Oregon and Washington state.
Barbara J. Krumsiek
Barbara J. Krumsiek is Chair, President and CEO of Calvert Investments, Inc. Calvert manages over $12.5 billion in assets for individual investors, retirement plans, pension funds, endowments & foundations, and high net worth investors. Ms. Krumsiek’s career in the investment business spans over three decades.
Compensation Committee Chair
Since 1995, Dr. Lieberman has been deeply involved in the microfinance (MF) sector. From 1995 to 1999, he started and managed the Consultative Groups to Assist the Poorest (CGAP) while at the World Bank, and from 2003 to 2004, he worked as a Senior Economic Advisor to George Soros and the Open Society Institute, focused on their microfinance capacity in the Balkans.
Terrence J. Mollner
Governance Committee Chair
Terrence Mollner is the founder and Chair of Massachusetts-based Trusteeship Institute, Inc., an economic and social policy think tank and consulting firm. Dr. Mollner is also a founder and member of the Board of Trustees of the Calvert Family of Socially Responsible Mutual Funds and Calvert Foundation.
Greg Ratliff is a Senior Program Officer at the Bill & Melinda Gates Foundation in the Postsecondary Success program area spear-heading investigation and research in utilizing social media for enhancing post-secondary students’ success. Greg is a leader in the field of community and economic development and a seasoned advisor to the U.S. philanthropic community.
Investment Committee Chair
Kathy Stearns formed Arc Advisers LLC in 2007 after more than 20 years in the community development finance sector to offer financial planning services to individuals and consulting services to nonprofits and small businesses on how to maximize the benefits of staff retirement plans.
Ronald M. Wolfsheimer
Ronald M. Wolfsheimer is Executive Vice President, Chief Financial and Administrative Officer of Calvert Investments, Inc. and also serves as Treasurer of each of Calvert's sponsored mutual funds. Based in Bethesda, Maryland, Calvert is a mutual fund firm known for its leadership in sustainable investing.
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Josh Mailman founded SVN with Wayne Silby in 1987. He also started the Threshold Foundation (1981) and Business for Social Responsibility (1992). Today, he continues to be an active investor in the most game-changing for-profit and nonprofit enterprises he can find.