G+D Management Team

The Management Board of Giesecke+Devrient Group and the four business sectors, as well as the Advisory Board and Supervisory Board of the company.

Management Board of Giesecke+Devrient Group

Ralf Wintergerst

Chairman of the Management Board and CEO of Giesecke+Devrient

Ralf Wintergerst is Chairman of the Management Board of Giesecke+Devrient (G+D). In addition to his duties as CEO, he is responsible for the Central Services departments of Information Systems, Corporate Security, Compliance Management and Auditing, Corporate Communications, Corporate Strategy, Corporate Development, Mergers & Acquisitions, Legal Services and Corporate Governance.

Wintergerst joined G+D in 1998 as Director of International Subsidiaries in the Cards and Services business. Between 1999 and 2005 he held various management positions in the division Currency Management Solutions, ultimately heading it from 2006 on.

As Group Executive of the business unit Banknote Wintergerst has been a member of the Giesecke+Devrient Management Board since 2013. In November 2016 he was appointed Chairman of the Management Board.

In addition, Wintergerst has been appointed Chairman of the Supervisory Board of secunet Security Networks AG in May 2017 and is a member of the advisory board of the Cyber Defense research institute of the Bundeswehr University in Munich.

Wintergerst completed his studies in Business Administration and Economics in Düsseldorf, Dortmund and Hagen.

Dr. Peter Zattler

Member of the Management Board and CFO of Giesecke+Devrient

Dr. Peter Zattler is a Member of the Management Board at Giesecke+Devrient since July 1, 2001. As Chief Financial Officer, he is in charge of the areas of Controlling, Treasury, Business Accounting, and Taxes. Since January 1, 2006, Zattler has also been responsible for Human Resources.

From 1984 to 1986, Dr. Zattler worked in the Auditing department at Arthur Andersen. After earning his doctorate from the University of St. Gallen, Zattler was hired by Daimler Benz Group in 1988, where he held various management positions within the group’s financial function. He moved to debis AG in Berlin in 1991 and then took up his role at Debitel GmbH & Co. KG in Stuttgart in 1993. From 1998 until he joined Giesecke+Devrient, Zattler was CFO of MCC smart within the Mercedes Car Group.

Management of the Business Sectors

G+D Currency Technology

Dr. Wolfram Seidemann

CEO of G+D Currency Technology

Dr. Wolfram Seidemann is CEO of the Giesecke+Devrient Currency Technology GmbH. He was appointed Group Executive Banknote at Giesecke+Devrient GmbH in November 2016. Prior to that, he was Chairman of the Management Board of Papierfabrik Louisenthal and Division Head Paper after having been responsible for Sales and Marketing of Banknote Processing Systems worldwide.

Seidemann joined G+D in 1999 as Head of International Research and Development Chipcard. He subsequently held various senior management positions at G+D subsidiaries, among them Managing Director Giesecke+Devrient Asia in Singapore, President of G+D Teco Taiwan, Taipei and Member of the Board Giesecke+Devrient India, New Delhi.

Before joining G+D, Seidemann worked for the Economics Department of the Technical University Munich as Head of R&D- and Innovation Management and as an industry consultant in this area.

Seidemann studied Electrical Engineering and Business Administration, and holds a doctor’s degree in Innovations Management from the Technical University of Munich.

G+D Mobile Security

Carsten Ahrens

CEO of G+D Mobile Security

Carsten Ahrens is the CEO of Giesecke+Devrient Mobile Security GmbH. As well as his duties as CEO, he is responsible for the areas of Strategy, Compliance, Sales, Divisions, Marketing and Communications, and the Technology Office. Moreover, he is currently temporarily in charge of Research and Development, Personnel, Operations, and Professional Services.

Carsten Ahrens has been working in the Mobile Security unit at G+D since 2013, initially as the Manager of the Telecommunication Industries division and later as the Chief Sales and Marketing Officer. Carsten Ahrens held various management positions before joining G+D, including CTO/COO at Funkwerk AG and Managing Director at Ericsson GmbH.


Hans Wolfgang Kunz

CEO of Veridos

Hans Wolfgang Kunz is the CEO of Veridos GmbH – a joint venture between G+D and Bundesdruckerei (Berlin). The company supplies governments and authorities with tailor-made complete solutions for secure identification.

Kunz began his career in 1979 as assistant to the management of Georg Westermann Verlag in Braunschweig. In 1982 he joined the Sales team at Giesecke+Devrient in Munich. Shortly afterwards he became a sales representative for banknote processing systems. In this role he established an international business for the product group, and from 1988 onwards he took over management of the Sales department. When G+D restructured in 1993 and created Banknote Processing Systems as a division of its own, Kunz became the Manager of Sales and Marketing in this new division. He became a member of the Giesecke+Devrient Management Board in 1996 and took over responsibility for Government Solutions in 2006.


Dr. Rainer Baumgart

CEO of secunet

Dr. Rainer Baumgart has been at secunet since 1997. Since the IPO in 1999, he has been on the Board of secunet Security Networks AG and took on the role of Chair in 2001. He is responsible for the Public and Business, Corporate Development/Strategy, Compliance/Auditing and Communications/Marketing business units.
A qualified physicist, he has a 20-year career in the field of IT security behind him, including posts at RWTÜV AG and TÜV Informationstechnik GmbH.

Dr. Baumgart is also active on a European level, in the Stakeholder Group of ENISA – the European Network and Information Security Agency. In Germany, he serves as Vice Chairman of the Board at TeleTrusT - Bundesverband IT-Sicherheit e.V. He has been an appointed member of the program advisory board to the German IT Security Congress for the last few years.

Supervisory Board and Advisory Board

Supervisory Board

Prof. Klaus Josef Lutz (Vorsitzender)
Walter Bogner* (Stellv. Vorsitzender)
Achim Berg
Dr. Walter Schlebusch
Ralf Gerlach*
Peter Hanke*
Astrid Meier*
Verena von Mitschke-Collande
Prof. Dr. Gabi Dreo Rodosek
Claudia Scheck*
Monika Wächter*
Stefan Winners
* Vertreter der Arbeitnehmer

Advisory Board

Prof. Klaus Josef Lutz (Vorsitzender)
Verena von Mitschke-Collande (Stellv. Vorsitzende)
Dr. Walter Schlebusch
Achim Berg
Prof. Dr. Gabi Dreo Rodosek
Stefan Winners


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