Machiel Mulder is Professor of Regulation of Energy Markets at the University of Groningen, in Netherlands. He teaches several courses on energy economics.

He is also Director of the Energy programme of the University of Groningen Business School and Director of the Centre for Energy Economics Research (CEER) at the Faculty of Economics and Business (FEB) of the University of Groningen.

Earlier he was the Deputy Chief Economist at the Netherlands Competition Authority (NMa) and head of the energy department of the Netherlands Bureau for Economic Policy Analysis.