Mathieu is Co-founder and CEO of More in Common Global. Prior to helping launch More in Common, Mathieu was a co-founder of Make.org, one of the largest new civic tech companies in Europe and for several years was the Executive Director of New Cities, a think tank he helped launch on the future of global cities. Mathieu served as a Political Officer in the UN Department of Peacekeeping Operations for five years based in Southern Afghanistan, Lebanon and at the UN Security Council in New York. He also worked in the area of governance at the World Bank and has advised a number of political campaigns in France and the US. Mathieu is a graduate of the Kennedy School at Harvard and of the LSE. He is a dual USFrench citizen and lives in Paris with his family.