Supervisory Board

(as at December 30, 2025)

Daniela Mattheus, Chairwoman of the Supervisory Board
Professional Supervisory Board member and management consultant, Berlin, Germany

Jakob Habermann, Deputy Chairman of the Supervisory Board*
Trade union secretary of the IG Metall central district management, Rockenberg, Germany

Elke Eckstein
Professional Supervisory Board member

Andreas Gerstenmayer
Professional Supervisory Board member and entrepreneur, Sankt Stefan ob Stainz, Austria

André Hillner*
Production Engineering Expert at JENOPTIK Optical Systems GmbH, Jena, Germany

Prof. Dr. Dr. h.c. Ursula Keller
Em. Professor at the ETH Zurich, Physics Department (D-PHYS) / Institute of Quantum Electronics (IQE), Uitikon, Switzerland

Dörthe Knips*
Chairwoman of the Group Works Council of Jenoptik, Jena, Germany

Alexander Münkwitz*
Chairman of the Works Council of JENOPTIK AG, Jena, Germany

Thomas Spitzenpfeil
CFO and CIO of Zentiva Group, a.s.; Professional Supervisory Board member, Ludwigsburg, Germany

Christina Süßenbach*
Director, HR Business Partner of the SBU Metrology & Production Solutions, Auma-Weidetal, Germany

Franziska Wolf*
Second Representative of the IG Metall branches Gera and Jena-Saalfeld, Langenbernsdorf, Germany

* employee representative

Committees and members (as of February 10, 2026)