Tzviatko Chiderov is ONE's regional field director for the Great Lakes Region, including Illinois, Indiana, Michigan, Wisconsin, Ohio and Minnesota. He has been involved with ONE as a member and volunteer since 2007. Prior to his current role, Tzviatko spent about 9 months in Mozambique and Zimbabwe, working for the National AIDS Council of Zimbabwe. Tzviatko has a degree in Finance and Computer Science from the University of Illinois in Chicago. Before starting his work in development, he spent several years working in the corporate sector in Minneapolis, MN and Chicago, IL.