About Us

Our goal is to convey information to your target group precisely and emotionally. Each member of our team brings professional competence and experience to bear to contribute to the success of our numerous and diverse projects.


Sustainability and social responsibility are important to us; the products we develop are made to last.


We undertake every step of the work with care and attention, along with enthusiasm for new things. The result is exciting productions that will inspire and entertain your visitors.

Meet the team


Gürsan Acar (Managing Director)

Always on the lookout for new solutions for museums, tourism and companies, he has headed the company for 15 years. He applies his wealth of experience to implement innovative ideas.


Dr. Hans von Seggern (Sales)

The historian and German philologist advises our customers in Germany and abroad. He is a frequent lecturer on the topic of digital interpretation in museums.


Birgitta Thrun (Authorized Signatory)

She is responsible for our divisions of finance and advertising. She is involved in the development of the company and always keeps a watchful eye on the costs.


Dr. Jan May (Sales)

His experience as a curator makes him ideal for understanding the needs of our museum customers. He looks after our customers in Germany and abroad.


Klaus Kornblum (Deputy Managing Director)

He is an all-rounder who advances the processes and structures in the company, while never losing sight of its goals.


Philipp Hinz (Sales UK)

The cultural and media scientist who grew up in England is always up-to-date. He looks after our customers in the UK.


Klaus Kowatsch (Artistic Director)

With years of experience in the production of audio plays, he is responsible for the artistic general management at tonwelt.


Celine Dupeux (Sales / Project Management FR)

Our French colleague with a background in radio, TV and print journalism looks after our customers in France and Belgium.


Thorsten Krenz (Process Manager)

The trained business economist supports the company management in divisions such as sales and project management.


Nemanja Petkovic (Service Dept.)

The trained systems technician is the technical go-to person for our customers in matters of service, repairs and maintenance.