There for you with decades of experience: OGE management.

Dr. Thomas Hüwener

(Born 1971)
Chairman of the Board of Management at Open Grid Europe GmbH (CEO)
Focus: corporate development, IT management, network planning and customer solutions

Education

Degree in mechanical engineering at Bochum Ruhr University and Texas A&M University, specialising in energy technology / systems and environmental engineering

Career

1997, Research Assistant at the Institute of Turbomachinery of Essen University

2001, Joined E.ON Ruhrgas AG, section manager in Applications Development

2003, Section manager in Pipeline Technology

2004, Head of Pipeline Projects
Since then, memberships in international bodies of the gas industry

2006, Head of Pipeline Technology

2010, Head of Pipeline Technology Open Grid Europe GmbH, Essen

2013, Member of the Board of Management at Open Grid Europe GmbH, responsible for the technical area

October 2013, Vice President, Gas, DVGW Deutscher Verein des Gas- und Wasserfaches (German Gas and Water Industry Association)

July 2024, Chairman of the Management Board of Open Grid Europe GmbH

Detlef Brüggemeyer

(Born 1969)
Member of the Board of Management at Open Grid Europe GmbH
Focus: technology

Education

Degree in Mechanical Engineering at Osnabrück University of Applied Sciences

Career

1994 Design Engineer at Mannesmann Demag Verdichter, later Siemens AG

2003 Project Manager for Rotating Equipment at E.ON Ruhrgas AG

2007 Head of Asset & Investment Department at E.ON Gastransport GmbH, later OGE

2013 Director of Network Planning & Control at OGE

Juli 2024 Member of the Board of Management at OGE, responsible for the technical area

Nathalie Leroy

(Born 1972)
Member of the Board of Management at Open Grid Europe GmbH (CFO)
Focus: Finance, purchasing, human resources, legal and regulatory affairs

Ausbildung

Degree in Business Administration in France (Audencia in Nantes) and in Spain (Deusto in Bilbao)

Career

1997 Auditor at KPMG in Berlin

1999 Finance Director at Studio Babelsberg, Potsdam

2005 Head of Finance at the Berlin-based Veolia Wasser Group, Berlin

2009 Chief Financial Officer (CFO) of the entire Veolia Wasser Deutschland Group and Managing Director of RWE-Veolia Berlinwasser Beteiligungs GmbH

2013 Chief Financial Officer (CFO) at HAMBURG WASSER, from 2018 Spokesperson of the Management Board

2021 Chief Financial and Infrastructure Officer at Munich Airport

since 2021 Member of the Supervisory Board of Hamburger Sparkasse

2025 Chief Financial Officer (CFO) of Open Grid Europe GmbH

Technical Manager

In accordance with Code of Practice G1000 of DVGW, the German Association of the Gas and Water Industry, we have appointed Dr Gunnar Brandin (Technical Projects), Dr Michael Brecht (Network Planning and Control), Graduate Engineer Martin Bredebusch (Technology Centre) und Dr Berthold Saager (Operations) as Technical Managers. 

The Technical Managers support the company independently in its technical self-administration and ensure a legally compliant structural and process organisation. 

In Code of Practice G1000, DVGW has formulated the requirements for the qualification and organisation of the technical divisions. You can find additional information on our HSEQ Management System here.