Executive Board

Prof. Dr. Christoph Donner
Chief Executive Officer

born 29th August 1969, Warstein/Germany

Career

Professional activities

since 2023	CEO of Berliner Wasserbetriebe Member of the Executive Board, Berlinwasser Holding GmbH
2017 - 2022	Technical Managing Director of Harzwasserwerke GmbH
since 2010	Lectureship at University Duisburg-Essen in Civil Engineering, focus on Urban Water Management and since 2020 Honorary Professor for his merits
2009 - 2017	Head of Technology at RWW Rheinisch-Westfälische Wasserwerksgesellschaft mbH in Mülheim an der Ruhr
2000 - 2009	Head of corporate development and investment management of Berliner Wasserbetriebe and project manager for international projects of Berlinwasser International AG
until 2013	VA TECH WABAG GmbH, Vienna/Austria (International plant engineering and management)

Professional education and training

Prof. Dr. Christoph Donner studied geology at the Technical University of Clausthal and the University of Tübingen and took his doctorate at the Eberhard Karls University of Tübingen on topics related to drinking water treatment.

Frank Bruckmann
Financial Officer

born 4th of November 1959 in Duisburg

Career

Professional Activities

since 11/2002	Chairman of the Executive Board of Berlinwasser Holding GmbH (operated as an AG until 19/05/2015)
since 1/2001	Financial Director of Berliner Wasserbetriebe
1999 – 2000	Prokurist (authorised representative) of Mannesmann o.tel.o GmbH
1995 – 1999	Head of Management Accounting (Controlling) RWE Telliance AG
1992 – 1995	Head of Department Investment Accounting (Beteiligungscontrolling) Ruhrgas AG, Essen Wirtschaftsprüfungs- and Steuerberatungsgesellschaft
1989 – 1992	KPMG Peat Marwick Treuhand GmbH, Düsseldorf
1985 - 1988	Research assistant in the department for industrial management/production and costs at the Gerhard Mercator University in Duisburg

Higher Education/Professional Training

Degree in Economic Sciences, studied at the Gerhard Mercartor University in Duisburg, (Diplom-Kaufmann).

Kerstin Oster

Human Resources and Social Affairs Director

born on 22 May 1967 in Jülich

Career

Professional Activities

since 01/2015	Human Resources and Social Affairs Director, Berliner Wasserbetriebe, Berlin Member of the Executive Board, Berlinwasser Holding GmbH (operated as an AG until 19/05/2015), Berlin
2010 - 2014	Managing Director of Broadband Network Solutions/Telekom Networks Business Unit of TYCO ELECTRONICS AMP GmbH, Berlin
2008 - 2014	Director of Human Resources, Management ADC GmbH / TYCO ELECTRONICS AMP GmbH, Berlin (Merger)
2000 - 2008	Head of Personnel Services at Holding GENTEK Inc./ADC GmbH, Berlin (Merger)
1998 - 2000	Head of Organisational/Personnel Development and Continued Training at GENTEK Inc., Berlin (Merger)
1995 - 1997	Personnel and organisation development advisor, KRONE GmbH/JENOPTIK, Berlin (Merger)
1993 - 1995	Personnel development and training advisor, ELAN INTERNATIONAL GmbH, Frankfurt

Higher Education/Professional Training

Degree in Business Administration (Diplom-Betriebswirtin (FH)), from Münster University of Applied Sciences
Vocational training as hotel manager, Oberstaufen

Executive Board

Prof. Dr. Christoph Donner
Chief Executive Officer

Career

Professional activities

Professional education and training

Frank Bruckmann
Financial Officer

Career

Professional Activities

Higher Education/Professional Training

Kerstin Oster

Human Resources and Social Affairs Director

Career

Professional Activities

Higher Education/Professional Training

Corporate Governance

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Executive Board

Prof. Dr. Christoph Donner Chief Executive Officer

Career

Professional activities

Professional education and training

Frank Bruckmann Financial Officer

Career

Professional Activities

Higher Education/Professional Training

Kerstin Oster

Human Resources and Social Affairs Director

Career

Professional Activities

Higher Education/Professional Training

Corporate Governance

Prof. Dr. Christoph Donner
Chief Executive Officer

Frank Bruckmann
Financial Officer