Our self-image

Values The management


Our mission

As a technological thought leader, we design digital processes actively, systematically and coherently.

Modern IT integration

For our customers, this means: the right information at the right time and in the right place.

Our foundation

Experience and innovation

sidion is a successful mix of experienced experts and innovative young talent. We regularly reflect on projects and methods at our campus events. We test new technologies in code camps and research how they can be used to benefit our customers.


Our common focus

Our company values were developed bottom-up in a cross-company workshop together with all employees. We are very proud of the result and can confidently say that it reflects sidion and our culture - by employees for employees.
Innovation: for us, innovation means being open to new ideas and remaining fit for the future.
Co-design: for us, this means courageously taking on responsibility in order to shape positive change on an equal footing.
Openness: for us means that everyone is welcome and that we listen to different needs and criticisms.
Professionalism: for us means that we reliably achieve goals through competent planning, reflective learning, open communication and the courage to change. This enables us to consistently deliver effective solutions.
Transparency: for us means creating clarity for employees, customers and stakeholders.
Appreciation: for us, this means that individuals, their opinions and their work are seen and recognized. We have room to make mistakes and learn from them.
Cohesion: for us means sharing successes and challenges with each other.

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.

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.


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.

Sebastian Schmitz

Head of business unit

As a business information scientist, Sebastian Schmitz has a broad background. He has gained valuable insights in a wide variety of roles and different business sectors, enabling him to take a holistic approach. Sebastian was already leading international sales teams at IBM in Ireland in his mid-20s. This was followed by experience both at dynamic IT start-ups and in the state-regulated banking environment. Sebastian worked as an IT service manager in customer support and later as head of an IT middle office department. Sebastian Schmitz has been a senior manager at sidion since 2021 and is responsible for the sidion Integrated Expertise division together with Rainer Walke. Together with our customers to success.

Jessica Behrends

Head of business unit

Jessica Behrends started at sidion in 2007 as an assistant to the management. There she began to gradually build up sidion's administrative area. After a short time, processes were introduced and optimally aligned with sidion Delivery and customer projects. Since 2009, she has been regularly involved in customer projects as a business analyst and agile coach in order to be directly involved in the project business and remain close to the challenges of customers and colleagues. Her focus has always been on processes & controlling, which is why she took over the management of Controlling & Accounting in 2015. The part-time Master's degree in Process Management and the Controller Diploma from the Controller Academy rounded off her profile. Since the beginning of 2024, she has been part of the Software Development, DevOps and Consulting division management team.