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
Division Head & Director Global Sales

+49 (7231) 493 116

Wolfgang Stauch
Head of Product Development

+49 (7231) / 493 229

Stefan Maier
Director Global Finance

+49 (7231) / 493 222

Jens Leonhardt
Director Global Quality Management & HSE

+49 (7231) / 493 108

Torsten-André Kunz
Director Technology Center

+49 (7231) / 493 636

Ronald Häns
Director Global Operation Birkenfeld / Deutschland
Birkenfeld / Germany

+49 (7231) 493 403

Patrick Klauke
Operations Manager
Stolberg / Germany

+49 (2402) 14 2271

Davy Ding
Managing Director Plant 5
Changzhou / China

+86 519 6822 9588

Pavel Kolář
Managing Director Plant 6
Zliv / Czech Republic

+420 606 098 391

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
Head of Quality Management
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