


Our management team
The sidion management

René Sutorius
Founder & Managing Director
A single customer, a second-hand PC and big plans - that's the start of a success story. While still a student, René Sutorius developed a program for simulating combustion engines, which laid the foundation for the engineering division. His first programming assignments during his studies were soon followed by small projects as project manager. Within a very short time, René Sutorius took on responsibility for large-scale projects. Today, he manages the strategic direction of the companies. His work focuses on organization, finances and strategies. René Sutorius completed his studies in aerospace engineering at the University of Stuttgart in 1997 with a degree in engineering.
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- René Sutorius
- +49 711 490 109 -10
- rene.sutorius@sidion.de

Nicolai Ding
Managing Director & Partner
Innovator, integrator and implementer. He graduated in 2000 with a degree in business informatics (BA). In the following 7 years, Nicolai Ding worked as a consultant at IBM Global Services and as a project manager at Mercedes-Benz Bank. He has worked at sidion since 2007. Initially responsible for the Infrastructure and IT Architecture business unit, later for Software Development and most recently for all development and consulting areas. Since 2014, he has been in charge of the Information Technology division with 7 teams and 80 employees. The focus of his work today is the development of new business areas and new locations. He still contributes his experience from numerous projects at Daimler, Opel and BMW to customers today.
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- Nicolai Ding
- +49 711 490 109 -41
- nicolai.ding@sidion.de

Rainer Walke
Head of business unit
In 1988, Rainer Walke wanted to start his career with a solid education and became a banker at Deutsche Bank. There he also gained his first IT experience in electronic banking. Remote data transmission and BTX were the forerunners of today's online banking. The step into IT consulting was therefore not far away, where he focused very strongly on account management and specialist processes in the financial services industry. Since 2001, Rainer Walke has held various management positions, including at SAP and NTT DATA - also in an international context. Rainer Walke has been a senior manager at sidion since 2018 and is currently responsible for the sidion Integrated Expertise division together with Sebastian Schmitz. Together with our customer to success.
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- Rainer Walke
- +49 711 490 109 -310
- rainer.walke@sidion.de