LEAG’s management

Born 1965

Adi Roesch has been CEO of LEAG since September 2024 and has also assumed responsibility for the Power Plants and Technical Services divisions of Lausitz Energie Bergbau AG. 

Roesch was previously Chairman of the Management Board of Köster GmbH and Chairman of the Management Board of Köster Holding SE, one of Germany's leading construction companies, for six years. From 2012 to 2017, he held various management positions at General Electric, most recently as Head of Power Plant Services for Central Europe and Spokesman of the Management Board of General Electric GmbH and member of the Management Board of GE Power AG. Prior to that, he held various management positions at the Alstom Group from 2008 to 2014, most recently as Managing Director of Alstom Power GmbH. Adi Roesch graduated with a degree in industrial engineering from the University of Karlsruhe. 

Born 1972

Thomas Merker will take over the finance department on the joint Executive Board of Lausitz Energie Bergbau AG and Lausitz Energie Kraftwerke AG from May 2025. The graduate economist has almost 30 years of experience in the European energy industry. After completing his studies in Jena and Würzburg, he worked in senior finance positions at international energy companies, specialising in Eastern Europe. His career has included positions at RWE Czech Republic, and most recently the largest Czech gas network operator GasNet, where he was Finance Director. 

Born 1968

Jörg Waniek is member of the joint Management Board of Lausitz Energie Bergbau AG and Lausitz Energie Kraftwerke AG and responsible for the Human Resources division as of 1 August 2019. Prior to this he was Head of Human Resources Management of Lausitz Energie Bergbau AG and Lausitz Energie Kraftwerke AG and also the predecessor companies Vattenfall Europe Mining AG und Vattenfall Europe Generation AG for ten years. Until his move to Vattenfall in November 2009 he was responsible for Human Resources Services and Strategic Human Resources Management of envia Mitteldeutsche Energie AG (enviaM), Chemnitz. From 1998 to 2002 he worked as a lawyer and in corporate development for MEAG - Mitteldeutsche Energieversorgung AG, Halle (Salle). He completed his degree in law at the Friedrich-Alexander-Universität Erlangen and the Universität of Bayreuth with the State Examination of 1st and 2nd degree.