Team

Team - Wir sind für Sie da

Team

It doesn’t matter if you already have concrete solutions or have to specify your requirements. We help you. From the concept, to the first prototypes, to series production. Contact us and benefit from our successful implementation approach. True to our motto – This is simple. This is iesy.

Martin Steger

M.Eng. Martin Steger

CEO

Martin Steger, after successfully completing his studies in electrical engineering at RWTH Aachen University, has been involved in embedded computer technology since 1997, focusing in particular on the conceptual design and sales of complex and modular system solutions - initially as a team member since April 2000 and as managing partner of the company iesy since October 2008.

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Dennis Nejdrowski

 Dennis Nejdrowski

CCO

Dennis Nejdrowski has been with iesy since 2019, where he has been responsible for business development, sales and marketing in a senior position. Working closely with the management team, he has played a key role in laying the foundations for iesy's successful growth. Before joining iesy, he worked as a manager at Aaeon Europe and Insys Microelectronics.

Since March 1, 2024, Dennis Nejdrowski has headed the Sales, Marketing and Customer Service departments in his current position as CCO on the Management Board.
"I am very much looking forward to continuing to work with Dennis in his new role," says Martin Steger, CEO of iesy. "He brings exactly the strategic and operational strengths we need to take advantage of the growth opportunities in the rail, utilities and digital defense sectors."

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Ralf Wardenbach

 Ralf Wardenbach

Head of Project Management

Ralf Wardenbach (p.p.) joined iesy in February 2006 and heads the departments Project Management, Planning & Design. He coordinates the scheduling of all operations and orders as well as the availability of required resources. For many customers, Ralf Wardenbach is also the direct contact for technical details.

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Gerd Hoffmann

 Gerd Hoffmann

Team Lead Sales

Gerd Hoffmann is responsible for the sales activities of iesy GmbH as Team Lead Sales since September 2022. He looks back on more than 15 years of experience in sales in various industries such as defense, data center, mobile computing and automotive. In addition to managing sales activities, his responsibilities also include the further development of the iesy customer portfolio.

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Linda Wüstermann-Parziegla

 Linda Wüstermann-Parziegla

Management Assistance & Inside Sales Manager

Since May 2020, Linda Wüstermann-Parziegla has been working at iesy in administration and order management and, with her friendly nature, she is often the first contact person, for customers and business partners, also at the main office. Since March 2021, she has also been the assistant to our management and dedicates herself to all coordinative and organizational challenges. Due to her experience in customer service, Linda Wüstermann-Parziegla also serves as Inside Sales Manager.

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Katrin Schmitz

 Katrin Schmitz

Head of Accounting & Controlling

Katrin Schmitz, daughter of the founder of our company, has been responsible for human resources and accounting at iesy since January 1997. She is also the person in charge for numerous organisational questions.

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Tobias Walk

 Tobias Walk

Head of Procurement & Logistics

Tobias Walk has been responsible for strategic purchasing at iesy since October 2020 and for entire purchasing and the logistics chain since March 2021. In addition to ensuring the delivery of parts and components on time, on budget and on quality and the complete delivery of all products, he is responsible for the research, selection and qualification of national & international suppliers and service providers. 

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Kathrin Krötz

 Kathrin Krötz

Procurement Department

Kathrin Krötz has been with iesy since 1987, and is one of its long-standing employees. As head of operative purchasing activities, she coordinates all procurement and stockholding issues. Suppliers appreciate the cooperation with her due to her negotiating skills and tenacity as well as her fairness.

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Manuela Marcus

 Manuela Marcus

HR Business Partner

As a trained Employer Brand Manager, Manuela Marcus has been working in HR at iesy since March 2019. As HR Business Partner, she is the first point of contact for employees and applicants.

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Hanna Simski

 Hanna Simski

HR Business Partner

With a degree in business psychology, Hanna Simski has been working in HR at iesy since May 2022. As HR Business Partner, she is the first point of contact for employees and applicants.

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Andrew Brieden

 Andrew Brieden

Customer Service Center & IT-Services

Andrew Brieden joined iesy in August 2008. After his training as IT specialist for system integration, he took over the technical support and has been coordinating all inquiries in this area ever since. He also supports internal IT with his expertise in Microsoft client and server applications.

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Christopher Nenn

 Christopher Nenn

Test Department & RMA Department

Christopher Nenn has been working as a test engineer at iesy in the test field since July 2011. In addition to his experience in various projects and the large product range of iesy, he brings additional technical know-how to the team through his further education as a state-certified engineer. Since mid 2015 he is in charge of the RMA department. Christopher Nenn is therefore the first contact person for customers when it comes to repairing and managing RMA processes.

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Martin Hein

M.Eng. Martin Hein

Head of Test Department

Martin Hein heads iesy's Test Facility since August 2015 and is responsible for major aspects of either product development and quality assurance. He holds a degree in computer science and has profound knowledge in the development of software and hardware, which he uses profitably to develop and improve test procedures at iesy.

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Christian Biermann

 Christian Biermann

Head of Software Development

Christian Biermann has been working at iesy since March 1989 and is one of its longest standing employees. He heads the software development & IT department and is involved in many projects due to his extensive knowledge of embedded operating systems, security and real-time communication.

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Viktor Mierau

M.Eng. Viktor Mierau

Head of Hardware Engineering

Viktor Mierau joined iesy in August 2010. As Head of Hardware Engineering, he and his team are working on new products and innovative approaches for future-oriented electronic solutions. He holds a degree in engineering and, with his analytical and technical skills, acts as an interface to the test field and as a contact for technology trends.

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Martin Stelter

 Martin Stelter

Project Manager Development Hardware

Martin Stelter has been working for iesy as project manager for hardware and development since July 2020. He has special experience in the field of embedded ARM modules based on i.MX6, i.MX7 and i.MX8. At iesy he will be responsible for technical projects, product qualifications, technical concepts and specifications.

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Patrick Keitsch

 Patrick Keitsch

Head of Final Assembly Manager

Patrick Keitsch has been working at iesy since June 2014. As a trained electronics technician for devices and systems, specializing in automation, he brings his knowledge into iesy's production processes. He is responsible for the final assembly department, which also includes robotics. 

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