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Contact Us

The SPTF encourages your feedback and welcomes your questions.  To contact our general mailbox, please email This e-mail address is being protected from spambots. You need JavaScript enabled to view it. .

The SPTF Secretariat has four members and an advisor:

Laura Foose Bio:
Laura Foose has been the Director of the Social Performance Task Force since 2005. She has seventeen years of experience in policy design and advocacy promoting microfinance development and poverty alleviation in developing and transitional countries. She has also designed microfinance projects and conducted evaluations of MFIs. As Secretariat of the Microenterprise Coalition for five years, Ms. Foose represented microenterprise practitioner and advocacy organizations to donor agencies, the U.S. Administration, and members of Congress.  For 6 years, Ms. Foose was a working group facilitator for the SEEP Network and worked extensively in the areas of poverty assessment/outreach. Ms. Foose is a professor of microfinance at Georgetown University; a co-founder of Woman Advancing Microfinance; on the Taxonomy Committee of “The Impact Reporting and Investment Standards (IRIS) project” of The Global Impact and Investing Network; on the Management Board of The Rating Initiative; and on the Advisory Committee of the Governance Initiative of the World Microfinance Forum. Ms. Foose holds an M.S. in Foreign Service from Georgetown University, with specializations in international economics and business, and a B.A. from Brown University, where she graduated in 1990 with a double major in economics and international relations. She speaks German and is based in Washington, DC. 
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Leah Nedderman Wardle Bio:
Leah Nedderman Wardle has been the Deputy Director of the Social Performance Task Force since 2009. In addition, she is a Tool Development Specialist for the Smart Campaign of the Center for Financial Inclusion at ACCION International. Previously, she was the Director of Social Performance Management for Haiti’s largest MFI, Fonkoze. Leah is a Steering Committee member for Women Advancing Microfinance (WAM) DC. She holds bachelor’s degrees in English and sociology from the University of Notre Dame and master’s degrees in public policy and Latin American studies from the University of Texas at Austin. She speaks Spanish and Haitian Creole. She is currently based in Nairobi, Kenya.
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Amelia Greenberg Bio:
Amelia Greenberg has been an Associate of the Social Performance Task Force since 2010. Previously, Ms. Greenberg spent two years as a strategy consultant for non-profit organizations, first at Wellspring Consulting and then at Apollo Consulting Group, with a particular focus on the education and youth development sectors. Since 2006, Ms. Greenberg has also managed several projects off and on for various organizations in the microfinance sector, including a summer-long evaluation in Malawi of a pilot microfinance program launched by Global AIDS Interfaith Alliance (GAIA).  From 1999 – 2006, Ms. Greenberg worked in the field of economic consulting, primarily in the areas of international trade, wrongful termination, and finance. Ms. Greenberg holds an M.A. in international relations from the Johns Hopkins School of Advanced International Studies (SAIS), with specializations in international economics and international development, and a B.A. from Brandeis University, where she graduated in 1999 summa cum laude with a double major in economics and French literature. Ms. Greenberg speaks French and is proficient in Spanish. She is based in New York, NY.
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Diana Summerlin Bio:
Diana Summerlin has been the Assistant Coordinator of the Social Performance Task Force since April 2008.   Her previous experience includes working for T.C. Thompson’s Children’s Hospital as a Language Medical Interpreter/Translator and for FINCA International as the Executive Assistant to the Cofounder.  Ms. Summerlin holds a B.A. in Business Administration from the University of San Diego and is fluent in Spanish.  Ms. Summerlin is based in Chattanooga, Tennessee.
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Tony Sheldon
Tony Sheldon has been Advisor to the SPTF Secretariat since 2005. He is the Executive Director of the Program on Social Enterprise & Lecturer in Economic Development at the Yale School of Management. He is also the founder and principal of Bering Consulting. Since 1990, Bering Consulting has been working with microfinance institutions in Africa, Asia, Latin America, and Eastern Europe, primarily in the areans of financial management and business planning. Mr. Sheldon has also worked with several development finance networks and funders, including the Ford Foundation, ShoreBank International, the Small Enterprise Education ad Promotion Network, Women's World Banking, the Consultative Group to Assist the Poor (CGAP), and the World Bank. His publications include CGAP's Handbook on Business Planning and Financial Modeling for Microfinance Institutions, the Small Enterprise Education and Promotion Network's Financial Ratio Analysis of Microfinance Institutions, and Women's World Banking's Principles and Practices of Financial Management. Mr. Sheldon has a Masters in Public and Private Management from Yale and an AB from Princeton University. He speaks French and some Spanish and is based in Sheffield, Massachusetts.  
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