Prof. Herbert Sonntag
Chairman of the Supervisory Board

Personal details

Born in 1946 in Legau / Allgäu
Member of the Supervisory Board since 2009, Chairman since 2014

Professional background

2002 – presentProfessor of Traffic Logistics and Head of the Traffic Logistics Research Group at the Wildau Technical University of Applied Sciences
1976 – 2001Founding shareholder and subsequently Executive Board member of IVU Traffic Technologies AG
1977Awarded a doctorate in Engineering (Operations Research), Technische Universität Berlin
1973Awarded a degree in Engineering, Technische Universität Berlin

 
Board memberships

Honorary member LNBB Logistiknetz Berlin-Brandenburg e.V.
Visiting professor DKU Deutsch-Kasachische Universität, Almaty, Kazakhstan
Visiting professor GTU Georgisch Technische Universität, Tiflis, Georgia

Ute Witt
Deputy Chairwoman of the Supervisory Board

Personal details

Born in 1956 in Remscheid
Member and Deputy Chairwoman of the Supervisory Board since 1 July 2018

Professional background

2018 – presentManaging Partner of FinTax policy advice GmbH
1987 – 2018Corporate Tax Partner of Ernst & Young GmbH Wirtschaftsprüfungsgesellschaft
2011 – 2017Lecturer at the University of Potsdam, Lecturer in Tax Accounting Law
1990Examination to qualify as a public auditor
1985Examination to qualify as a tax consultant
1980Degree in Business Administration, University of Cologne

 
Board memberships

Vice-Chairwoman, Treasurer and Head of the Budget Committee of the Berlin Chamber of Commerce and Industry
Member of the Tax Committee and of the Advisory Board of the German Industry and Trade Federation, Berlin
Member of the Federal Commissions for Taxes, the Budget and Finances as well as Family Businesses and SMEs in the Economic Council of the CDU
Member of the Advisory Board of Potsdamer Steuerforum e.V.
Member of the Economic Advisory Board in the Brandenburg Cathedral Chapter

Uli Mayer-Johanssen

Personal details

Born in 1958 in Osterburken
Member of the Supervisory Board since 2014

Professional background

2015 – presentManaging Director, Uli Mayer-Johanssen GmbH
1990 – 2014Co-Founder and Chairwoman of the Executive Board, responsible for the strategic development of MetaDesign AG
1986Degree in Graphic Design and Visual Communication, School of Fine Arts, Berlin
1979Degree in Stage Design and Graphic Design, Merz-Akademie Stuttgart

 
Board memberships

External Expert in Economics for the Supervisory Board of Düsseldorf University Hospital
Honorary Senator, University Council, University of Applied Sciences and Design in Schwäbisch Gmünd
Member of the German Designer Club, Frankfurt am Main
Member of the Foundation Council of Stiftung Berlinische Galerie, Berlin
Member of the Board of Trustees of the German Foundation for the Protection of Historical Buildings and Monuments, Bonn
Member of the Advisory Board of Werteakademie Gut Gödelitz, Mochau
Member of the Advisory Board of the Wertekommission, Bonn
Member of the Board of Trustees of the Organisation for Leadership Development Common Purpose, Berlin