Mark Andrew Green is the President and CEO of the ONE Campaign. He brings decades of experience in global development, diplomacy, and public services, with a focus on advancing economic opportunity and strengthening international partnerships. Most recently, he served as president of the Wilson Center in Washington, D.C., and as a fellow with Georgetown University’s Institute of Politics and Public Service. Previously, he served as Administrator at the US Agency for International Development, where he led the agency in crafting an approach to development he described as the “journey to self-reliance” and a new emphasis on private sector engagement.
Mark has held a range of senior leadership roles across development and the policy landscape. He has served as President of the International Republican Institute, as well as the US Ambassador to Tanzania. He has also served as Executive Director of the McCain Institute, President of the Initiative for Global Development, and Senior Director at the US Global Leadership Coalition.
During his four terms in Congress (WI-8), among other things, he played a leading role in crafting bipartisan legislation establishing the President’s Emergency Plan for AIDS Relief (PEPFAR) and the Millennium Challenge Corporation (MCC). He also served on the MCC’s Board of Directors during both the Obama and Trump Administrations, on the Bush Institute’s Human Freedom Advisory Council, and on the Board of Consensus for Development Reform.
Mark’s connection to Africa began early in his life, having spent time in South Africa as a child and later taught in Kenya, experiences that helped shape his long-standing commitment to expanding opportunity and economic growth across the continent.
He holds a law degree from the University of Wisconsin Law School and a bachelor’s degree from the University of Wisconsin–Eau Claire. He has received special honors from President Jakaya Kikwete of Tanzania and President Ivan Duque of Colombia, as well as an honorary Doctor of Science from Georgetown University.
His weekly essays, “Stubborn Things,” can be found on his Substack and elsewhere. You can also follow him on X and LinkedIn.
