Warren Krafchik joined the Chandler Foundation as CEO in 2026. An economist and social entrepreneur with more than 30 years experience, he has a global track record of leading major governance reform initiatives and institutions.

Warren spent over two decades at the International Budget Partnership (IBP), serving as its Executive Director from 2017 to 2023. He grew IBP from a two-person startup into a fully-independent global organization with a staff of 80 and partners in more than 120 countries. While at the IBP, he developed the Open Budget Survey, widely recognized as the gold-standard tool for measuring fiscal accountability, and led the SPARK initiative, building reform coalitions that improved public services for nine million people across Kenya, Nigeria, Senegal, and South Africa.

Previously, Warren co-founded the Open Government Partnership (OGP) with President Obama’s White House and served as its first civil society co-chair. The OGP now spans more than 80 member countries. He also led the creation of the Global Initiative for Fiscal Transparency (GIFT), which has advanced fiscal accountability reforms in 30 countries.

Prior to joining the Chandler Foundation, he worked at the Trust, Accountability, and Inclusion Collaborative, where he founded and led the Fiscal Ecosystems Initiative, advising governments and international institutions on applying systems approaches to fiscal reform in Africa.

He has served on the boards of the National Resource Governance Institute, NetZero, and GIFT, and holds both Bachelor’s and Master’s degrees in Economics from the University of Cape Town.

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Tim Hanstad is a recognized leader in driving philanthropic and civil society engagement with governments to foster good governance, social justice, and shared prosperity. As Vice-Chair of the Chandler Foundation, he continues to shape its mission, having previously served as the organization’s inaugural Chief Executive Officer for five years. In addition, Tim is a Senior Ambassador and member of the Leadership Council at the World Justice Project.

Tim co-founded Landesa with Roy Prosterman and served as its CEO for many years, helping to grow the organization and its impact from a two-person start-up to a Global Top Ten NGO. He launched Landesa’s programs in China, the former Soviet Union, and India, where he lived for many years.

Tim is a Skoll Social Entrepreneur Awardee, a World Economic Forum Outstanding Social Entrepreneur, a Life Member of the Council on Foreign Relations, a Leap of Reason Ambassador, and a Co-Founder of Catalyst Now, the world’s largest network of social entrepreneurs and innovators. His work has appeared in the New York Times, Wall Street Journal, Washington Post, Financial Times, Stanford Social Innovation Review, Foreign Affairs, Scientific American, and beyond. He holds two law degrees from the University of Washington, a bachelor’s degree from Seattle Pacific University where he was Male Athlete of the Year, and has completed certificate programs at Harvard Business School and Harvard's Kennedy School of Government. His greatest learning, however, has come from spending time with those on socioeconomic margins in more than 20 countries around the world. Tim is the proud spouse of Chitra and the father to four adult children from whom he draws inspiration.

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Leslie Tsai is Director of Integrity Programs and General Counsel of the Chandler Foundation. Prior to joining the Chandler Foundation, Leslie was on the executive team of Microclinic International, a global health nonprofit working on chronic disease prevention in the U.S. and abroad.

Leslie started her legal career at the law firm of Sullivan and Cromwell before moving into the non-profit and philanthropic sector. Prior to law school, Leslie spent a year at the World Bank working on financial sector development in Africa. She has been honored as a term member of the Council on Foreign Relations, a World Economic Forum Global Shaper, a John Gardner Public Service Fellow, a Shafik Gabr U.S.-Egypt Exchange Fellow, and a TEDx speaker. Leslie received her J.D. from Harvard and her bachelor’s degree from the University of California, Berkeley.

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