RWE Generation chief executive Roger Miesen has announced he is to retire at the end of March.
Born in the Netherlands, Miesen (pictured) has been with RWE since 2009 and took up the chief executive position in 2018.
He will be replaced by Nikolaus Valerius, who has been a member of the company’s executive board as chief operating officer since June last year. From 2017 to 2023, Valerius was an executive board member at RWE Power, responsible for the company’s nuclear energy division.
Before that, he worked for RWE in various leadership positions, including as managing director for all the company’s continental hard-coal/biomass and gas-fired power plants. Valerius has been with RWE since 1995.
Also on 1 April, Marinus Tabak will replace Valerius as chief operating officer. He was the head of the RWE power station in Eemshaven in the Netherlands from 2017 to 2021 and since 2021nhas been director of central asset management.
Now RWE Generation’s personnel affairs committee has decided on the changes at the top of the company, the next step will be the supervisory board’s approval at the end of February it said.


