After studying mechanical engineering at RWTH Aachen University and Dartmouth College (USA), and business administration at RWTH Aachen University, Michael Müller completed a PhD in mechanical engineering at RWTH Aachen University.

He began his career in 2000 as a management consultant at McKinsey joining RWE five years later, in 2005. During his time there, he held positions at RWE Power and RWE Generation, where his responsibilities included power plant construction, procurement, asset management and implementing a restructuring programme.

In 2014, Müller took over as Head of Group Controlling at RWE. Two years later, he was appointed Managing Director and CFO of the subsidiary RWE Supply & Trading. Since November 2020, he has been a member of the RWE AG Executive Board, responsible for Accounting, Finance & Credit Risk, Controlling & Risk Management, Investor Relations and Tax.