Management and Supervisory Board

Dietmar Siemssen joined Gerresheimer as CEO in November 2018. Since March 2019 he is responsible for Plastics & Devices as well as Advanced Technologies Divisions. Formerly he was CEO of the international automotive supplier Stabilus 2011 until 2018. Thanks to the growth strategy he shaped, along with a major acquisition, revenues of Stabilus grew from around EUR 360m to just under EUR 1bn recently. He led the drive to convert Stabilus into a European public company that has been listed on the SDAX since 2014. After completing his university studies, Dietmar Siemssen worked in various management positions at Continental from 1994 to 2011, ultimately as head of a joint venture between Continental and Nisshimbo in Yokohama, Japan, and as head of the Chassis and Safety division in Asia. Dietmar Siemssen’s studied at TU Munich, KTH Stockholm and TU Darmstadt where he gained a diploma in industrial engineering specializing in mechanical engineering.

Rainer Beaujean joined the Gerresheimer AG Management Board in December 2012. He took on the role of Chief Financial Officer on February 1, 2013 and additionally since December 2013 until the sale in October 2016 the responsibility for the Life Science Research Division. Betwen February 2018 and October 2018 he was Speaker of the Management Board in addition to being CFO. Rainer Beaujean was Chief Financial Officer at Elster Group SE until August 2012. From 2007 to the end of 2011 he was Chief Financial Officer at Demag Cranes AG. Prior to that, from 2000 to 2004, he was  Chief Financial Officer and between 2004 and 2006 Chief Executive Officer of T-Online International AG. Rainer Beaujean started out his career in 1995 at Deutsche Telekom AG. He holds a degree in business administration by the university of Saarbrücken.

Lukas Burkhardt is a management board member of Gerresheimer AG since 2018. From 2015 to 2017 he was Chief Operating Officer and member of the Group Management Board of the international Franke Group. From 2007 to 2014, he held various managerial positions within the Rieter Automotive Group, now the Autoneum Group, including six years in China and India. Most recently, he was in charge of all Asian plants as Head of Operations Asia. He began his career at Audi AG in Ingolstadt. Lukas Burkhardt studied mechanical engineering at ETH Zurich, where he also obtained his PhD.

Dr. Axel Herberg started his career at today's ThyssenKrupp AG and then worked several years as a consultant for McKinsey & Company. He joined the Gerresheimer Group in 1992. From 1996 onwards, Dr. Herberg was a member of the Management Board and CEO between 2000 and 2010. 2010 until 2017 he was partner of The Blackstone Group and responsible for the private equity business for German-speaking regions of Europe. Dr. Axel Herberg is a member of several supervisory boards and entrepreneur.

Francesco Grioli has been working at the IG BCE trade union headquarters since 2001. From 2001 to 2007 he was Head of the Youth/Training Department and Managing Director of Fejo GmbH. From 2007 to 2009 he was Head of the Works Constitution Department. He has been Executive Secretary in Management Division 5 “Wages/Finances” at IG BCE 2009 to 2017. Since 2017 he is member of the Governing Board of IG Bergbau, Chemie, Energie, Board Division Labour Policy/Members.

Mrs Andrea Abt started her professional career in the industrial environment at Dornier, a company within the Daimler-Benz group. Among other functions, she was responsible for aircraft sales in Australia/Pacific. In 1996 she joined another Daimler company, which, in early 1997, was acquired by Siemens AG. In the following years, Andrea Abt covered many different, mainly commercial functions in Germany and abroad. For example, as a CFO she formed the regional subsidiary in Italy. From 2011 until December 2014 Andrea Abt was Head of Supply Chain Management (Procurement and Logistics) of the Siemens Sector Infrastructure and Cities. Since 2015 Andrea Abt advises companies and holds supervisory and advisory board memberships.

After completing her apprenticeship as a toolmaker and undertaking tasks as a youth and trainee representative, as well as becoming the IG Chemie shop steward in her company, in 1990 Heike Arndt went on to become Trade Union Secretary of IG Chemie, now known as IG BCE. Since then she has worked in various different roles within the organisation, all in the North Rhine Westphalia region. She has been in her current position since November 2012.

Dr. Karin Dorrepaal works as a Consultant to the Life Science Industry. Between 2004 and 2006, she was a Member of the Management Board of Schering AG, Berlin. From 1990 to 2004 she worked as a Management Consultant at Booz Allen & Hamilton, Amsterdam and New York. Before this, she was a Ph. D. Research Fellow at The Netherlands Cancer Institute, Amsterdam, from 1985 to 1988.

Franz Hartinger started his professional career in 1977 in the Pfreimd plant with an apprenticeship as a toolmaker. He successfully qualified as a master toolmaker in 1989. He worked in the area of Quality Management for many years and his roles included heading the inspection room. Since 2014, he has been exempted from his role to become Chairman of the Works Council and a member of the Group Works Council.

After her studies and degrees in business administration in Dresden, Germany, and Arnheim, the Netherlands, Katja Schnitzler started her career as Assistant Manager with KPMG in Dresden and Düsseldorf in 2004 to 2008. From 2008 until 2011 she was a Corporate Auditor at Gerresheimer AG in Düsseldorf. Since 2011 she is Group Director Business Excellence and Continuous Improvement at Gerresheimer AG.

Dr. Peter Noé was from 2002 to 2011 member of the Management Board of HOCHTIEF AG, as well as from 2009 to 2010 Chairman of the Management Board of Hochtief Concessions AG. Afterwards till his retirement he was chairman of the Supervisory Board. Between 1998 and 2002 Dr. Peter Noé was chairman of the Board of Management of CDRB Holding AG. Before that he held diverse positions in Management Board and Executive Board of Thyssen Group between 1990 and 1998.

Markus Rocholz completed his apprenticeship as maintenance fitter at Gerresheimer Essen's predecessor company in 1987. Since passing the apprenticeship examination he has held various positions at the Essen plant. Markus Rocholz has been full-time Chairman of the Works Council since 2002  and he is also Chairman of the Gerresheimer Group Works Council.

Paul Schilling has worked in various roles in the production department at Gerresheimer Bünde GmbH since 2002. He has been a member of the Works Council since 2006, and has been exempted from his role to become Chairman of the Works Council and a member of the Group Works Council of Gerresheimer AG since 2010.

Theodor Stuth commenced employment with Deloitte in 1989 as auditor and corporate tax consultant. He then went on to specialize in mergers & acquisitions and restructuring projects and was involved in the development and management of the Mergers & Acquisitions and the Tax Service Lines. Theodor Stuth was appointed as Director of Deloitte in 1999 and Partner in 2001. He has been working on a self-employed basis since 2008.

Udo J. Vetter was Managing Director of Vetter Injekt System GmbH & Co. KG between 1989 and 2003. He was also a member of the Executive Committee of the Vetter Group between 1999 and 2003. In 2004 he was appointed as Managing Partner of the UV-Cap GmbH & Co. KG private equity company. Since 2006 he has also been Managing Partner of the real estate holding MMC GmbH & Co. KG. In 2007 he joined the Advisory Board of Vetter Pharma Fertigung GmbH & Co. KG and since 2008 he has been Advisory Board Chairman. In 2007 he was appointed to the Vetter Executive Committee.