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Dr Ralf Gilgen

CEO of VPC Holding GmbH, VPC GmbH & VPC International GmbH

Dr Ralf Gilgen has over two decades’ experience in the energy industry. Over the years he has acquired a great deal of expertise in the planning, construction and operation of modern power plants as well as project development and the sale of power generating systems.

He started his career in environmental technology before being appointed sales manager. As CEO of an engineering services company, he was responsible for areas such as developing its international business. Before joining VPC, he was the technical director of a large German power corporation.

He has also gained experience abroad on projects in the US, India, China, the Philippines, Colombia, Turkey and many other countries.

Dr Gilgen read mechanical engineering at Ruhr University in Bochum, where he also took a doctorate in the Department of Thermodynamics.

Dr Daniel Seibt

Member of the Board of Management of VPC GmbH & Conwico GmbH

Dr Daniel Seibt has worked at VPC since 2006. Before taking charge of power plant engineering in 2010, he worked in both process engineering and systems engineering and headed various power plant engineering projects. Since 2017 Dr. Seibt is part of the Board of Management of VPC.

Throughout his career, Dr Seibt has acquired extensive experience of public engineering by working on a variety of projects involving the construction of new power plants and the rehabilitation of existing ones as well as on research projects in Germany and abroad.

Daniel Seibt studied power engineering and environmental technology at Zittau/Görlitz University of Applied Sciences and was awarded a doctorate by the Institute of Technical Thermodynamics at the University of Rostock.

Hans-Ulrich Hartenstein

Member of the Board of Management of Conwico GmbH

Hans-Ulrich Hartenstein has been working in the energy industry for more than 30 years. He began his career in plant construction, where he went through all important domains of work such as process engineering, project management, sales and plant operation, and was ultimately in charge of them all. In addition to 15 years of experience in plant engineering, which he completed as Managing Director of the US subsidiary of a German plant manufacturer, when the German parent company went bankrupt shortly after the turn of the millennium, he built up several companies from scratch. Here too, his focus was always on environmental technology.

Hans-Ulrich Hartenstein has spent most of his professional life abroad as Managing Director of foreign subsidiaries of German companies. Most recently, for more than 10 years he was Managing Director of the US subsidiary of an engineering company belonging to a major German power company, which, however, in the USA provided plant construction services and other services in the field of environmental technology to American utilities.

Hans-Ulrich Hartenstein studied mechanical engineering at the Baden-Wuerttemberg Cooperative State University (DHBW) in Stuttgart and then studied process engineering at the University of Florida with a focus on environmental technology. During his professional career, he also earned an Executive MBA in Finance from the University of Toronto.