IN-AKUSTIK - Key Persons


Bernhard Rössle

Job Titles:
  • Head of Artist & Repertoir

Berthold Rösch

Job Titles:
  • Shipping & Warehouse Logistics

Ceyda Mutlu

Job Titles:
  • Trainee E - Commerce

Dieter Amann - Managing Director

Job Titles:
  • Managing Director
  • Member of the Executive Board

Ewelina Zoltowska

Job Titles:
  • Shipping

Guido Lay

Job Titles:
  • Sales Primare & Audiovector

Holger Schlieker


Holger Wachsmann

Job Titles:
  • Product Developer
Holger (pictured right) found his way to in-akustik in 1996 after completing his training as a communications electronics technician, and has made a name for himself in the hi-fi scene over the years. Initially, he was responsible for cable planning and looked after our most important global sales partners. Gradually, his area of responsibility shifted to product development, for which he is now fully responsible. The development of the already legendary AIR technology is without doubt a true milestone in his creative career.

Jan Ziethen

Job Titles:
  • Sales

Jasemin Trifilli

Job Titles:
  • Accounts Payable

Juri Dauer

Job Titles:
  • from Trainee to Authorized Signatory Head of Financial Accounting
  • Head of Financial Accounting

Karin Ortlieb

Job Titles:
  • Accounts Receivable

Lucia Stamminger

Job Titles:
  • Sales & Export

Marius Ingold

Job Titles:
  • Product Developer
At in-akustik, Marius takes care of the raw material of good sound: electricity. After training as an "electronics technician for industrial engineering" at Siemens, he completed a Bachelor's degree in "Electronics and Computer Engineering". As part of his Master's degree in Embedded Systems, he worked as a student trainee at in-akustik, and discovered his passion for music in the process. He has been working full-time in in-akustik product development for 3 years now, dealing with "electrifying" topics.

Martin Löffler

Job Titles:
  • Warehouse Logistics Team Leader
For an impressive 35 years now, Martin has been inspiring us with his reliable and organized approach to warehouse logistics. Martin is a true veteran of in-akustik, and we are happy to have him in our team. By the way: our employees have been with the company for an average of 16 years, and we are extremely proud of this fact. It's a truly extraordinary length of time in today's fast-paced world. We appreciate the commitment and loyalty of our employees, and look forward to the upcoming years full of innovation, passion and outstanding teamwork.k

Natya Amann

Job Titles:
  • Organization & Administration

Oliver Erl

Job Titles:
  • Team Leader Manufacturing Unit 27 Years at in - Akustik
Oliver (pictured right) is the team leader of our manufacturing unit, responsible for fine-tuning the various work processes to enhance efficiency. He builds prototypes of new high-end cables and optimizes the production processes in close cooperation with our product developers. He also coordinates the integration of the Caritas workshops into our cable production. Regular functional tests and quality checks are just as much a part of his job as the production of cable configurations in line with individual customer requirements.

Oliver Hengst

Job Titles:
  • Sales & OEM

Petra Rössle

Job Titles:
  • Purchasing Manager
  • from Trainee to Label Manager & Purchasing Manager
  • Head of Purchasing

Philipp Höfler

Job Titles:
  • Sales

Silvia Schulz

Job Titles:
  • Quality Control

Sven Schulz

Job Titles:
  • Sales Manager

Vivian Frommherz

Job Titles:
  • Production Planning