If you have an inquiry, please get in touch. Our specialists will be happy to answer your questions or provide a consultation. We look forward to hearing from you.


Marc T. Oehler
Partner & Chief Executive Officer (CEO/CFO)

Dr. Bernhard Gräwe
Managing Director

Bernd Grumme
Global Distribution & Sales Services (CSO)

Michael Ullrich
Group Chief Technical Officer (CTO)

Dimitar Yotsov
Managing Director Processes/IT

Head of

Plant & Process Technology

Helmut Mühlnickel
Head of Plant & Process Technology

Plant & Process Technology

Philipp Dahms
Head of Plant & Process Technology


Manfred Halt
Head of Maintenance/Service

Data Processing

Udo Richter
Head of Data Processing/Chief Information Officer (CIO)

Fundamental Issues, Legal & Compliance

Miriam Hesper
Head of Fundamental Issues, Legal & Compliance

Construction/Project Management

Jürgen Schedel

Health, Safety and Environment

Dominik Eickhoff
Head of Health, Safety and Environment

Human Resources

Melanie Gräser
Head of Human Resources


Stefan Scheiter
Head of Accounting

Puchasing Department

Stefan Schulte-Kramer
Head of Purchasing Department


Thomas Gräser
Head of Controlling

Fairs and Events

Tina Prinz
Fairs and Events

Purchasing, Hot Strip

Frank Renfordt
Head of Purchasing, Hot Strip