William Jensen-Diaz

William Jensen-Diaz is an Edward S. Mason Fellow and Master in Public Administration candidate at Harvard University, John F. Kennedy School of Government.


Before joining Harvard, William worked for more than five years at the Deutsche Gesellschaft für Internationale Zusammenarbeit – GIZ (German Agency for International Cooperation, GIZ) as Advisor for the German-Mexican Energy Partnership. At the GIZ, he facilitated best-practice exchange and high-level political dialogue for the energy transition. He co-led the study “Green Hydrogen in Mexico: Towards the decarbonization of the economy”.


He served from 2010 to 2015 at the Mexican Ministry of Energy in different positions. His last appointment at the Ministry was as Deputy Director for North America, Europe, and Asia. He worked to improve international cooperation and dialogue with the Mexican key stakeholders in charge of the energy transition. He worked in partnership with international organizations and mechanisms.


He holds an MSc in International Public Policy from University College London and a BSc in Political Science and Public Administration from Universidad Iberoamericana Puebla (Mexico). He is an Associate of the Mexican Council on Foreign Affairs (COMEXI).