Will Harris
Executive Director
Rick Tvedt
Joshua Miguel Jongewaard
Director of Lending
Yamila Simonovsky
Loan Fund Operations Officer
Martin Slough
Senior Credit Advisor
Aaron Grych
Operations Associate
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Will Harris | Executive Director

Will Harris has ten years of experience and education in economic development and international relations. Will joined WCCN staff in November 2016, and served as its Director of Operations until January 2018 when he accepted the role of Interim Executive Director, and in February 2019 was named Executive Director. Will is a Wisconsin native, but has lived and traveled throughout Latin America. Will studied Spanish and Latin American History at the University of Arizona and then later received his MBA from the same. Will was a recipient of the Rotary World Peace Fellowship which he used to pursue a Master’s Degree in International Relations at the Universidad del Salvador in Buenos Aires, focusing his thesis on the topic of microfinance in Latin America. Will came to WCCN from the World Council of Credit Unions, and previously served on the WCCN Board of Directors for three years. He has a deep interest in Latin American culture, poverty issues, and economic development. Will speaks near native Spanish and Portuguese.   


Rick Tvedt | Accountant

Rick is a graduate of Edgewood College and earned his CPA certification in 1993. He spent two years at the Wisconsin Department of Revenue before joining the accounting firm of Grant Thornton, LLP as a senior tax specialist. Rick has been a self-employed publisher for the last several years, producing a local music and arts newspaper. He is also the Executive Director for MAMA, Inc., a non-profit organization that produces the Madison Area Music Awards and raises funds to promote youth music programs.


Joshua Miguel Jongewaard | Director of Lending

Miguel, born in Colombia and raised in Minnesota, brings 17 years of experience in financial services and investment management across North America, Europe, Latin America, and Asia. He has significant experience in negotiating transactions, performing international due diligence reviews, evaluating country risk, assessing financial condition of both financial and non-financial institutions, structuring/underwriting debt, equity, and quasi-equity investments. His asset management experience includes: loan portfolios (consumer, residential, commercial), micro-finance, SME finance (factoring/leasing), agricultural value chains, affordable housing, technology, private funds, and derivatives (hedges, swaps, CDS). Miguel worked as an Investment Officer for MicroVest, one of the leading organizations in the world for investing in organizations serving the working poor in developing countries. While at MicroVest he developed and led MicroVest’s strategy for agricultural value chain and trade finance investments in addition to placing loans with microfinance organizations in Latin America and parts of Africa. Miguel holds a degree in International Management from Hamline University in Saint Paul, Minnesota. His depth and breadth of experience and deep commitment to serving the working poor are huge assets he brings to his work at WCCN. When asked what about WCCN appealed to him, he said “I like that the flexibility of the funds will allow us to serve people who have never been served before and that we can focus on serving the poorest of the poor and those who are able to expand their businesses.”


Yamila Simonovsky | Loan Fund Operations Officer

Yamila joined WCCN in the Loan Fund Operations Officer role in 2018. She is an economist with expertise in international finance and development in the areas of education, health and youth employment. Her previous work experience focuses on data management, partnerships and strategy development in multi-stakeholder institutions. 


Martin Slough | Senior Credit Advisor

Martin has over 45 years’ experience in banking and finance, including 21 years as an international commercial banker at Lloyds Banking Group, 16 years in Private and Financial Sector Development at the World Bank and over 5 years as a Banking Advisor at the US Department of the Treasury Office of Technical Assistance (OTA) and the Millennium Challenge Corporation (MCC). He has extensive practical experience in corporate governance, strategic planning, credit risk management, credit information systems, treasury, bank restructuring, bank privatization, deposit insurance and microfinance.


For OTA, Martin undertook diagnostic reviews of the barriers and obstacles to small business lending and microfinance in Peru, El Salvador, Guatemala, and Honduras. For MCC, he participated in commercial bank due diligence missions to Mozambique, Morocco, Mongolia and Tanzania. For several years Mr. Slough advised the Bank of Ghana and the MCC on the implementation of an Agricultural Credit Program and for USAID he delivered a capacity building program to nine microfinance institutions in Lebanon that on-lent sub-grant funds to small businesses.


Aaron Grych | Operations Associate

Aaron is a recent graduate of the University of Wisconsin Madison with degrees in International Studies and Geography. Prior to joining WCCN, he was the Executive Director of Wisconsin Microfinance, a Madison based microfinance nonprofit serving small business owners in Haiti and the Philippines. 


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