Supervisory Board
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 – 2019 | Professor of Traffic Logistics and Head of the Traffic Logistics Research Group at the Wildau Technical University of Applied Sciences |
| 1976 – 2001 | Founding shareholder and subsequently Executive Board member of IVU Traffic Technologies AG |
| 1977 | Awarded a doctorate in Engineering (Operations Research), Technische Universität Berlin |
| 1973 | Awarded a degree in Engineering, Technische Universität Berlin |
Board memberships
- Member of the Advisory Board and honorary member of LNBB Logistiknetz Berlin-Brandenburg e.V.
- Appointee for the Land Brandenburg of Allianz pro Schiene e.V.
- Visiting professor DKU Kazakh-German University, Almaty, Kazakhstan
- Visiting professor GTU Georgian Technical University, 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 2018
Professional background
| 2018 – present | Managing Partner of FinTax policy advice GmbH |
| 1987 – 2018 | Corporate Tax Partner of Ernst & Young GmbH Wirtschaftsprüfungsgesellschaft |
| 2011 – 2017 | Lecturer at the University of Potsdam, Lecturer in Tax Accounting Law |
| 1990 | Examination to qualify as a public auditor |
| 1985 | Examination to qualify as a tax consultant |
| 1980 | Degree in Business Administration, University of Cologne |
Board memberships
- Chairwoman of the Supervisory Board of Sellutions AG
- 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
- Chairwoman of the Executive Board of Potsdamer Steuerforum e.V.
Dr Heiner Bente
Personal details
Born in 1956 in Bochum
Member of the Supervisory Board since 2019
Professional background
| 2017 – present | Senior Advisor, civity Management Consultants |
| 2010 – 2017 | Chairman of the Advisory Board and Senior Advisor, civity Management Consultants |
| 1991 – 2008 | Founder, Partner and Managing Director, BSL Management Consultants |
| 1984 – 1990 | Mummert + Partner Management Consultancy |
| 1984 | Doctorate in Engineering |
| 1979 – 1983 | Research Assistant, Ruhr University Bochum, Insitute for Energy Economics |
| 1979 | Degree in Physics, Kernforschungszentrum Karlsruhe |
Prof. Barbara Lenz
Personal details
Born in 1955 in Stuttgart
Member of the Supervisory Board since 2019
Professional background
| 2007 – present | Director of the Institute of Transport Research at the German Aerospace Centre |
| 2003 – present | Professor for Traffic Geography, Humboldt University of Berlin |
| 2002 – 2006 | Head of the research group „Space and Traffic“, German Aerospace Center, Institute of Transport Research |
| 2001 | Habilitation, University of Stuttgart |
| 1994 | Doctorate, University of Stuttgart |
| 1989 – 2002 | Resarch Assistant, University of Stuttgart, Institute of Geography |
| 1988 – 1989 | Teacher, Privates Gymnasium Merz, Stuttgart |
| 1986 – 1988 | Trainee, Staatliches Seminar für Pädagogik am Gymnasium |
| 1982 | Degree in Geography and German Studies, University of Stuttgart |
| 1973 – 1975 | Editorial Apprenticeship, Verlag Waiblinger Kreiszeitung |
Board memberships
- Member of the Supervisory Board of Berliner Verkehrsbetriebe (BVG)
Axel Zimmermann
Employee representative
Personal details
Born 1961 in Düren, Germany
Member of the Supervisory Board since 2019
Professional background
| 2012 – today | Quality Manager, IVU Traffic Technologies AG |
| 2008 – 2012 | Technical Project Manager Ticketing, IVU Traffic Technologies AG |
| 2008 – 2012 | Product Manager Ticketing/eTicketing, IVU Traffic Technologies AG |
| 2005 – 2008 | Team Leader Software Development Ticketing, IVU Traffic Technologies AG |
| 2000 – 2005 | Technical Project Manager Ticket Vending Machines, IVU Traffic Technologies AG |
| 1997 – 2000 | Software developer for on-board computer for public transport, IVU Traffic Technologies AG |
| 1989 – 1997 | Hardware and software developer for tool monitoring systems, Prometec GmbH |
| 1989 | Graduate engineer in electrical and communication engineering, FH Aachen |
Board memberships
- Chairman of the Works Council of IVU Traffic Technologies AG at the Aachen location
- Deputy Chairman of the General Works Council of IVU Traffic Technologies AG
Benedikt Woelki
Employee representative
Personal details
Born 1978 in Berlin, Germany
Member of the Supervisory Board since 2019
Professional background
| 2015 – today | Support account manager IVU.suite for Germany, Hungary and Southeast Asia, IVU Traffic Technologies AG |
| 2011 – 2015 | Project engineer for railway customers DACH, IVU Traffic Technologies AG |
| 2008 – 2011 | Working student in the field of waste disposal logistics, IVU Traffic Technologies AG |
| 2006 – 2011 | Study of Business Informatics (M.Sc.), University of Applied Sciences Berlin |
| 1999 – 2006 | Study of Law, Free University of Berlin |
