• Born in 1953 in Essen, Germany
• Resident in Hamburg
• Nationality: German

• since September 2017
  AIXTRON SE
  Chairman of the Supervisory Board
•  
• März 2017 - August 2017
  AIXTRON SE
  Chairman of the Board & CFO
   
• Mai 2002 - Februar 2017
  AIXTRON SE
  Chairman of the Supervisory Board
   
• Juli 1997 - Mai 2002
  AIXTRON AG
  Board
   
• 1992 - Juli 1997
  AIXTRON Semiconductor Technologies GmbH
  Executive Partner
   
• 1987 - 1992
  General Tire Inc. Akron, Ohio, USA
  Chief Financial Controller
   
• 1984 - 1987
  Continental Products Corp. Lyndhurst, NJ, USA 
  Financial Director
   
• 1983 - 1984
  Continental AG – Uniroyal GmbH Aachen
  Controller for export transactions
   
• 1981 - 1983
  Continental AG Hannover
  Controller

• 1981 
  studies of business administration, Georg-August-Universität Göttingen
  degree: Diplom-Kaufmann

• AIXTRON SE, Herzogenrath, Germany (since 2002)
  Chairman of the Supervisory Board (since September 2017, independent)
  Member of the Audit Committee 
  Member of the Capital Market Committee (chair)
  Member of the Nomination Committee 
  Member of the Remuneration Committee
  
  last elected on May 17, 2023
  until the end of the Annual General Meeting, which decides on the discharge for the 2025 financial year

• Born in 1960 in Emmerich, Germany
• Resident in Retie (Belgium)
• Nationality: Dutch

• 2009 - 2021 
  ASML, Veldhoven, Netherlands
  Executive Vice President, Member of the Board
  
  2018-2021 Chief Strategy Officer
  2013-2018 Chief Program Officer
  2009-2013 Chief Marketing Officer
   
• 2001 - 2009
  ASML, Veldhoven, Netherlands
  Various functions in Senior Management
   
• 1998 - 2001
  Beyeler, Hardinxveld-Giessendam, Netherlands & Gotha, Germany
  Chairman of the board
   
• 1992 - 1997
  Datacolor, Dietlikon, Switzerland & Bradford, United Kingdom
  Chief Technology Officer
   
• 1984 - 1992
  ASML, Veldhoven, Netherlands
  Various functions in Management

• 1981 - 1984
  Studie of applied physics, Eidgenössische Technische Hochschule Zürich
  Degree: Master in Applied Physics (Dipl. Phys. ETH)
• 1978 - 1981
  Studie of theoretical physics, Merton College, University of Oxford
  Degree: Master of Arts (Oxon.)

• AIXTRON SE, Herzogenrath, Germany 
  Vice Chairman of the Supervisory Board (since 2019, independent)
  Member of the Remuneration Committee (chair)
  
  last elected on May 15, 2024
  until the end of the Annual General Meeting which decides on the discharge for the financial year 2028
   
• Bambi Belt Holding B.V., Eindhoven, Netherlands
  Member of the Supervisory Board
   
• Kendrion NV, Amsterdam, Netherlands
  Chairman of the Supervisory Board
   
• PhotonDelta Foundation, Eindhoven, Netherlands
  Member of the Supervisory Board
   
• DeepTech Fund (InvestNL), Amsterdam, Netherlands
  Chairman of the Investment Committee 

• Born 1963 in Baden-Baden
• Resident in Tegernsee
• Nationality: German

2015 – December 2023 ams-OSRAM AG
 

• April 2023 - December 2023
  Advisor
   
• 2021 - March 2023
  Chief Executive Officer, ams-OSRAM AG, Graz, Austria and Munich
   
• 2015 – 2021
  Chief Executive Officer, ams AG, Graz, Austria
   

2006 – 2014 NXP Semiconductors

• 2012 - 2014
  Member of the NXP Management Team, Executive Vice President & General Manager, Business Unit lnfrastructure and lndustrial, NXP Semiconductors, Eindhoven, Netherlands
   
• 2010 - 2012
  Member of the NXP Management Team, Executive Vice President & General Manager, Business Unit High-Performance Mixed Signal, NXP Semiconductors, Eindhoven, Netherlands
   
• 2007 - 2009
  Member of the NXP Management Team, Executive Vice President & General Manager, Business Unit Multimarket Semiconductors (MMS), NXP Semiconductors, Eindhoven, Netherlands
   
• 2006 - 2007
  Senior Vice President & General Manager, NXP Semiconductors, Hazel Grove, United Kingdom
   

2001 – 2005 Infineon Technologies AG
 

• January 2005 - December 2005
  Senior Vice President & General Manager, Chip Card & Security ICs Business Unit, Munich, Germany
   
• 2001 - 2004
  Senior Vice President, Munich, Germany
   
• April 2001 - September 2001
  Vice President & General Manager, Network & Computer Storage Business Unit, Munich, Germany

1991 – 2001 Siemens AG
 

• 1996 - 2001
  Vice President, Sales, Marketing & Logistics, Memory Products Division, Siemens AG Munich, Germany / Infineon Technologies AG
   
• 1993 - 1996
  Memory Products Business Unit, Marketing Director, Munich, Germany
   
• 1991 - 1993
  Memory Products Business Unit, Marketing Manager, Munich, Germany

• 1989 - 1990
  University of Applied Sciences Bochum, Germany
  Business Administration with focus on International Business
  Diploma Thesis: Japanese Direct Investment in the European Community
  Degree in Business Administration
   
• 1984 - 1989
  Ruhr-University, Bochum, Germany
  Electrical engineering with focus on microelectronics and Communications
  Diploma thesis: Design of adaptive digital wave filters with programmable digital signal processors
  Degree: MSc. Electrical Engineering

• AIXTRON SE, Herzogenrath, Germany 
  Member of the Supervisory Board (since 2024, independent)
  Member of the Nomination Committee (Chairman)
  Member of the Remuneration Committee 
  Member of the Audit Committee
  Member of the Capital Market Committee
  
  elected on May 15, 2024
  until the end of the Annual General Meeting that resolves on the discharge for the 2028 financial year

• Born 1969 in Karlsruhe
• Resident in Herzogenaurach
• Nationality: German

since February 2023 Airbus Defence and Space

Executive Vice President Connected lntelligence

1998 – 2023 SIEMENS AG

• 2019 - Januar 2023
  CEO, Customer Services, Digital lndustries, SIEMENS AG, Erlangen, Germany
   
• 2017 - 2019
  Executive Vice President & General Management, Automation Products & Customizing Solutions, Digital Factory, SIEMENS AG, Fürth, Germany
   
• 2015 - 2017
  Senior Vice President & General Manager Operations Americas & Asia Pacific, Dresser Rand (a Siemens business), SIEMENS AG, Corning, NY, USA
   
• 2007 - 2015
  Senior Vice President & Segment Head, Hauston, TX, USA; Hengelo, Niederlande; Huludao, China; Vadodara, India; Jundiai, Brazil; Perm, Russia; Power Generation, Oil & Gas, SIEMENS AG, Duisburg, Germany
   
• 2005 - 2007
  Head of Corporate Functions & Business Management for Member of the Managing Board of Directors (Central Board of Directors), SIEMENS AG, Munich, Germany
   
• 1998 - 2005
  Head, Technical Sales, Shanghai, China; Taipei, Taiwan, Siemens Mobile Networks Munich, Germany; Shanghai, China; Taipei, Taiwan, SIEMENS AG, Siemens Mobile Networks Munich, Germany

1996 – 1998 EBT CONSUL TING, Boston, MA, USA,

Project and M&A Manager

• 1996 - 1997 Dartmouth, USA
  MBA degree
   
• 1992 - 1996
  University of Freiburg, Germany / McMaster University, Canada
  Degree: Graduate economist / BSc. Engineering

• AIXTRON SE, Herzogenrath, Germany 
  Member of the Supervisory Board (since 2024, independent)
  Member of the Remuneration Committee
  
  elected on May 15, 2024
  until the end of the Annual General Meeting that resolves on the discharge for fiscal year 2028

• Born in 1967 in Jena, Germany
• Resident in Jena
• Nationality: German 

• since 2017
  JENOPTIK AG, Jena (Germany), Chairman of the Executive Board / President & CEO

• 2013 - 2017
  TECAN AG, Männedorf (Switzerland), Member of the Executive Board 

• 2007 - 2013
  LEICA MICROSYSTEMS, Wetzlar (Germany), Vice President
   
• 2000 - 2007
  CARL ZEISS GROUP
  2005 - 2007 Managing Director, Carl Zeiss SMT Ltd, Cambridge (UK)
  2002 - 2005 BU Manager & Director Strategic Business Development, Carl Zeiss Meditec, Jena (Germany)
  2000 - 2002 Assistant to the Chairman of the Executive Board, Carl Zeiss AG, Oberkochen (Germany)
  2000 - 2000 F&E Project Manager, Carl Zeiss Jena GmbH, Jena (Germany)

• 2002 - 2003
  Executive MBA Studies Purdue University (U.S.A.) and GISMA (Germany)
   
• 1999 - 2000
  Postdoc at GINZTON Lab / Stanford University (U.S.A.)
   
• 1991 - 1998
  Physics studies and doctorate at the University of Hannover, Hannover  (Germany)

• AIXTRON SE, Herzogenrath, Germany
  Member of the Supervisory Board (since May 2022, independent)
  Member of the Capital Market Committee
  Member of the Nomination Committee
  
  elected on May 25, 2022
  until the end of the Annual General Meeting, which decides on the discharge for the 2024 financial year
   
• Intra-group mandates within the JENOPTIK Group, Jena Germany
   

• Born 1984 in Freiburg (Breisgau)
• Resident in Burghaun
• Nationality: German

• Seit 2015
  Professorship for General Business Administration, especially external accounting,
  Faculty of Management and Sales, Heilbronn University
   
• Seit 2014
  Auditing and tax consultancy firm, Burghaun
   
• 2008 - 2014
  Ernst & Young, GmbH, Wirtschaftsprüfungsgesellschaft, Freiburg/Stuttgart
  Various functions; most recently as Manager/Engagement Leader (authorized signatory), Auditing

• 2015
  Professorship for General Business Administration, especially external accounting at Heilbronn University
   
• 2014
  Appointment as auditor
   
• 2012
  Appointment as tax advisor
   
• 2011
  Promotion Dr. rer. pol.
   
• 2008
  Studies of business administration at the universaty Mannheim
  Degree: Diplom-Kauffrau

• AIXTRON SE, Herogenrath, Germany 
  Member of the Supervisory Board (since 2019, independent)
  Member of the Audit Committee (chair)
  
  last elected on May 15, 2024
  until the end of the Annual General Meeting, which decides on the discharge for the financial year 2028

• Wacker Chemie AG (since 2022)
  Member of the Supervisory Board
  Member of the Examination Board (chair)
  last elected on May 17, 2023