Your Contact Persons

It is important for you to know who is available for you and your questions and can support you.

Dr. Michael Haas
Head of Sales

+49 (7231) 493 116

Wolfgang Stauch
Head of Research & Development

+49 (7231) / 493 229

Stefan Maier
Global Director Finance

+49 (7231) / 493 222

Jens Leonhardt
Head of Quality & PM & HSE

+49 (7231) / 493 108

Richard Söderström
Head of Supply Chain Management

+49 (7231) / 493 443

Ronald Häns
Site Manager Site 2 Materials
Birkenfeld / Germany

+49 (7231) 493 403

Axel Wirthmüller
Site Manager Site 4
Stolberg / Germany

+49 (7231) 493-0

Markus Lauer
Site Manager Site 6
Zliv / Czech Republic

+420 389 606 800

Hana Bicková
Purchasing Manager / Global Supplier Quality Manager
Germany and Czech Republik

+420 724279314

Davy Ding
General Manager
Changzhou / China

+86 519 6822 9588

Your contacts for quality assurance at the individual plants

Carsten Häcker
Head of Quality Assurance
Birkenfeld, Plants 1 and 3

+49 (7231) 493 0

Christof Bartels
Head of Quality Assurance Materials
Birkenfeld, Plant 2

+49 (7231) 493-0

Jörg Schmidinger
Team Leader Quality Assurance
Stolberg, Plant 4

+49 (2402) 1402

Anna Sun
Quality Manager
Changzhou, Plant 5

+86 519 6822 7555

Michal Zbiral
Quality Manager
Zliv, Plant 6

+420 60 899 0026