Advisory Board

We love to learn—from our clients, from our partners, from each other, and from the incredible minds in the field of impact investing. As we evolve as a business, we believe it's critical to engage outside experts to provide sound advice and help us build capacity in a smart and effective way.

We are thrilled to include the following industry leaders on our Advisory Board:



CEO, Calvert Impact Capital

Jenn Pryce is President and CEO of Calvert Impact Capital. Calvert Impact Capital deploys capital in investments that create a more equitable and sustainable world. Through our products and services, we raise money from individual and institutional investors to finance intermediaries and funds that are investing in communities left out by traditional capital markets. During our 22-year history, we have mobilized nearly $2 billion of investor capital. Over the past decade, Jenn has shaped the strategic direction of the organization to lead on trends such as investing with a gender lens and making impact investing more accessible to retail investors. Jenn’s experience ranges from the Peace Corps (Africa) to major banks in New York and London including Neuberger Berman and Morgan Stanley. Jenn studied engineering at Union College and holds an MBA from Columbia University.

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Melanie bella

Head of Partnerships and Policy, Cityblock Health

Melanie Bella is the Head of Partnerships and Policy for Cityblock Health, a care delivery company built for low-income urban populations with complex needs, with a focus on Medicaid and dual eligibles.  Before Cityblock, Melanie served as the first Director of the Medicare-Medicaid Coordination Office at the Centers for Medicare and Medicaid Services (CMS). Under her leadership, CMS designed and launched demonstrations across the country to test new delivery system and payment models for Medicare-Medicaid enrollees in both community and institutional settings, caring for more than 400,000 lives. Prior to that, she was the Medicaid director for the state of Indiana, and then the senior vice president for policy and operations at the Center for Health Care Strategies. Melanie earned a master’s degree in business administration from Harvard Business School, and a bachelor's degree from DePauw University.

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George S. Hawkins

CEO, Moonshot and former General Manager of DC Water

George S. Hawkins is a seasoned water executive with more than two decades of organizational leadership and environmental law experience who currently serves as CEO of Moonshot, a leadership and innovation-focused consulting platform. He serves as Executive in Residence for XPV Water Partners and on the National Infrastructure and Advisory Council.

Prior to this he was the CEO and General Manager at DC Water for eight years where he led significant and impactful innovations across multiple disciplines including finance, communications and engineering. He has served as the Director of the DC Department of Energy and the Environment, the Executive Director of the Stony Brook-Millstone Watershed Association in New Jersey and held several senior positions within the U.S. Environmental Protection Agency. He graduated Summa Cum Laude from Princeton University and Cum Laude from Harvard Law School and has taught environmental law and policy for the Princeton Environmental Institute since 1999. He has been the recipient of numerous awards for leadership and public service, including Governing Magazine’s Public Official of the Year in 2015 and the US Water Prize in 2016.


Les Silverman

Director Emeritus of McKinsey & Company

Lester P. Silverman, also known as Les, serves as an Adjunct Lecturer of Georgetown University, Washington D.C. Mr. Silverman joined McKinsey in 1982 and served as Head of its Electric Power and Natural Gas practice from 1991 to 1999. From 2000 to 2004, he was the Leader of McKinsey's Global Nonprofit Practice, supporting nonprofit service providers, philanthropies and public sector organizations across its network of 84 offices in 44 countries. Previously, he served as the Principal Deputy Assistant Secretary for Policy and Evaluation in the U.S. Department of Energy from 1980 to 1981 and Director of Policy Analysis in the U.S. Department of the Interior from 1978 to 1980.

He serves as Vice President of the Board of Trustees at Arena Stage. He serves as a Lead Independent Director of Pepco Holdings, Inc. He has been a Director of Columbia Pipeline Group, Inc. since June 2, 2015 and Pepco Holdings, Inc. since May 19, 2006. He serves as Director Emeritus of McKinsey & Company, Inc., having retired from the international management consulting firm in 2005. He serves as a Director of Logos Energy, Inc. and Verdeo Group, Inc. He serves as a Director of Arena Stage and a Board Member for Carnegie Mellon Electricity Industry Center and Council on Excellence in Government.

He serves as a Trustee of several national and Washington, D.C.-area nonprofit organizations. He has co-authored more than 35 published articles (including pieces in the Harvard Business Review, Stanford Social Innovation Review, The McKinsey Quarterly, Leader to Leader, The Wall Street Journal, The New York Times, The Electricity Journal and Public Utilities Fortnightly) and professional papers in the fields of energy, economics and nonprofit management. He obtained a Bachelor of Science in Administration and Management Sciences from Carnegie Mellon University in 1969, a Master in Science in Industrial Administration in 1969 and a Ph.D. in Economics from Carnegie Mellon University in 1973. 



Managing Director of The Lyme Timber Company

Peter joined Lyme in 1990 and has led the firm’s conservation-oriented forestland investment strategies. As of 2019, Lyme has raised five co-mingled funds, securing more than $950 million of capital from families, endowments, public pension funds, private pension funds, and insurance companies. Lyme has acquired and permanently conserved 1.1 million acres of high conservation value forestland in the U.S. and Canada. Lyme’s conservation advisory business assists families and companies in the design and execution of conservation transactions, resulting in more than 900,000 acres of permanent land conservation in 12 states plus the Province of Quebec. Prior to his career with LTC Partners and Lyme, Peter was Senior Vice President of the Trust for Public Land (TPL), where he was one of the founding staff. He earned a B.A. with Highest Honors from the University of California at Santa Cruz in 1975. Peter was a Loeb Fellow, received a Certificate in Advanced Environmental Studies from Harvard University in 1981, and received the Kingsbury Browne Award from the Land Trust Alliance and Lincoln Institute of Land Policy in 2012. Peter lectures frequently at graduate schools and professional conferences on conservation investment structures and strategies. He is the co-founder of the Conservation Finance Network and the International Land Conservation Network. Peter serves on the Investment Advisory Committee of Spring Point Partners, the Advisory Boards of Quantified Ventures and Rose Smart Growth Real Estate Fund No. 1, and is a member of the Board of Trustees of the Montshire Museum. He is a former Board Chair of the Land Trust Alliance, and served as a founding Commissioner of the Land Trust Accreditation Commission.