Credit Committee
Passion combined with expertise
Our all-volunteer credit committee lends their expertise and passion to our work
Kathy Coffey
President & COO, ARB
Kathy is President and COO of ARB, a private family investment company focused on renewable energy and energy transition solutions. With more than 15 years of board experience, Kathy brings deep financial, governance, and board leadership expertise to her board roles, including 3Degrees Group, American Refining Group, and the San Francisco SPCA. Kathy serves on the investment committee for The Visions Fund - a Halloran Philanthropies initiative investing in funds led by traditionally underrepresented GPs - and as CFO and investment advisor to Halloran Foundation. She also serves as an independent member of the external credit committee for Beneficial Returns and the external audit committee for Sand Hill Foundation. Kathy previously held board positions with Natural Systems Utilities (sold to Saur) and ECP Environmental Opportunities (NASDAQ: ENNV). Prior to ARB Kathy served in Managing Director and Partner roles in private equity and investment banking. She holds a BA in Economics from Wellesley College and an MBA from the Darden School at the University of Virginia. Outside of work, Kathy is a committed swimmer and can often be found on the beach or cross-country skiing with her dog, who has the exceptional good fortune of providing quality control for Kathy's homemade dog treats.
Rich Voelbel
Former Partner, Zelle Hofmann Voelbel & Mason
Rich Voelbel is a retired litigator with over 40 years of experience in complex international legal disputes. He was a partner at Zelle Hofmann Voelbel & Mason, where he led high-profile cases including the 9/11 World Trade Center litigation, the Bridgestone/Firestone Liberian Civil War case, and the BankAmerica Securities arbitration. He holds degrees from Macalester College (Phi Beta Kappa), St. John’s College – Cambridge University (Rotary Fellow), and the University of Minnesota Law School (J.D., cum laude). Now focused on philanthropy, Rich serves on the boards of Alight (formerly the American Refugee Committee), Amplify Mission Network, and the Organization for Refuge, Asylum & Migration. He remains deeply engaged in church leadership and local mission efforts.
Philip Wilson
CEO of Ecofiltro & Founder of El Cubo
Philip Wilson is the CEO of Ecofiltro, a social enterprise providing clean water to rural communities in Mexico, Central and South America, and the founder of El Cubo, an innovation center for entrepreneurs in Guatemala. He holds an MBA from Wharton and a BA from Notre Dame, and brings over 35 years of entrepreneurial experience in both the United States and Guatemala. He also founded SolucionWeb, the leading web and social media services company in Guatemala. Philip was named “Social Entrepreneur of the Year for Central America” by the Schwab Foundation in Davos and “One of the 10 Most Successful Social Entrepreneurs in Latin America” by New Ventures Mexico. To date, Ecofiltro has served over 500,000 families, with a goal of reaching 1 million by 2025. Through El Cubo, he now supports the next generation of entrepreneurs and startups working to scale impact across the region.
Alberto Irezabal
Director, CIIESS – Universidad Iberoamericana
Alberto Irezabal is Director of the International Investigation Center of Social and Solidarity Economics (CIIESS) at Universidad Iberoamericana in Mexico City. He specializes in financing, capacity building, and multistakeholder strategies for social enterprises. Alberto holds a bachelor’s in engineering from Universidad Iberoamericana, a master’s in social economy from Mondragon Unibertsitatea (Spain), and a PhD in advanced social economy organizations. Since 2007, he has worked with diverse Indigenous communities in Latin America, promoting inclusive development across sectors like coffee, honey, personal care, and finance. He serves on several academic, editorial, and business boards nationally and internationally.
Sharon Lim
Co-founder & CEO of Browzwear Solutions
Browzwear is a leading 3D fashion-tech company. Sharon acquired the business in 2012, 9 years after starting out as the company’s distributor. Since that time, she has continued to grow the business, bringing disruptive technology into the fashion industry. Her success as an entrepreneur can be attributed to her business acumen, her focus on building strong fundamentals, and her ability to execute through the growth stages of a business. She readily shares her years of experience as a mentor to both social entrepreneurs & founders of innovative start-ups in faith-based companies.
Mariana Villamizar
Representative, Fundación Recon
Mariana Vilamizar is a finance, government, and international relations professional fluent in five languages, with extensive experience in Japan, China, and France. She has led major negotiations with global retailers including Walmart, Amazon, and Kroger, and has secured over 15 high-impact trade deals in the petrochemical and textile sectors. At Grupo Éxito, she has led government relations for 13 years, building strategic bridges between the private and public sectors. Mariana is an Eisenhower Fellow and currently serves as the representative of Fundación Recon, leading initiatives to protect and empower children in Colombia. Her leadership and commitment to social impact have been recognized with the Order of Merit from the Bogotá City Council, honoring a career that blends business acumen with deep civic responsibility. At Grupo Éxito, she has been in charge of government relations for 13 years, building strategic bridges between the private and public sectors. She was awarded the prestigious Eisenhower Fellowship and currently serves as the representative of Fundación Recon, leading initiatives to protect and empower children in Colombia. Her social commitment and leadership have been recognized with the Order of Merit from the Bogotá City Council, reflecting a career distinguished by excellence, innovation, and the ability to generate impact across both business and social sectors.
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