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Justin Guay

Associate Director, International Climate Program, Sierra Club


Justin Guay works for the Sierra Club’s International Climate Program based in San Francisco. He leads Sierra Club’s team on international energy lending reform and international outreach for the organization. He has led recently successful campaigns to secure coal finance restrictions at the World Bank and the US Export Import Bank. He has previously lived in Mumbai and spent time working with social entrepreneurs on distributed clean energy research projects and now works to increase investment from international financial institutions in this sector. He has an M.A. in International Development with a concentration in Global Environmental Policy from the University of Denver as well as a B.S. in Business Marketing from the University of Utah.