Josef Bielefeld | Gründer der TIS GmbH

Josef Bielefeld

Founder of TIS GmbH

Josef Bielefeld is the founder and owner of TIS GmbH. At the end of 2016, he handed over the management of the company and has since been taking care of the documentation and further development of our telematics software in an advisory manner.

Mike Ahlmann | TIS GmbH

Mike Ahlmann

Sales and customer service at TIS GmbH

Mike Ahlmann works in customer support and sales for TISLOG Logistics & Mobility. As a member of the TIS team since 1999, the business administration graduate ensures that customer requirements are addressed internally and implemented as custom-fit solutions.
Tobias Enge | TIS GmbH

Tobias Enge

Sales at TIS GmbH

Tobias Enge is an IT specialist and has been working at TIS GmbH since 2017. At the end of 2019, he moved to TIS Sales and uses his software expertise to advise new customers.


Oliver Krahmer

Sales and project management at TIS GmbH

Oliver Krahmer has been reinforcing sales and project management at TIS since the end of 2018. The trained forwarding merchant and technical business economist (IHK) has been gaining experience in the telematics and logistics industry for 30 years.

Christian Linke | TIS GmbH

Christian Linke

Project manager at TIS GmbH

Christian Linke has been managing general cargo and intralogistics projects at TIS GmbH since August 2017.

Webinar- Referentd der TIS GmbH | Bastian Wehrmann

Bastian Wehrmann

Project Manager at TIS GmbH

Bastian Wehrmann has been working as a project manager at TIS GmbH since 2021. He is a state-certified trade professional specialized in trade logistics. Bastian Wehrmann has worked for an international company as a logistics manager for over ten years and got to know the practical side of logistics. As a result, he is close to the customer and can empathize with the respective processes.

Webinar- Referent der TIS GmbH | Matthias Unland

Matthias Unland

Sales at TIS GmbH

Matthias Unland started his career at TIS with his train as industrial clerk. After his training he worked in the purchasing department where he gained experienced in the hardware area. Since 2022, he supports the sales team and is the interface between sales and administration.