Dan Marks is a Research Fellow at the Royal United Services Institute (RUSI), where he leads the Energy and Security Programme. His research focuses on national security dimensions of the energy transition in the United Kingdom and internationally.

Prior to joining the institute, Dan was the power editor at African Energy, a division of Cross-border Information. He reported on energy issues across the African continent, as well as heading the African Energy Live Data research team.

Dan holds an MPhil in theory, methodology and epistemology in economics and social science from Université Paris 1 Panthéon-Sorbonne, as well as an MA in international relations in the Middle East from the University of Durham and a BSc in physics and economics, also from Durham.