Team - We are here for you


Easy, quick and straightforward - this is how our clients define what it’s like working with us. Our mission is to improve a little every day and to provide optimum support for your questions and challenges. Whether advice or assistance, the team at iesy is always at your side. Jointly we will find the solution that is just right for you! Get in touch with us.

Martin Steger

M.Eng. Martin Steger

Manging Director

Martin Steger joined iesy in April 2000. As a Product Line Sales Manager from 2006 to 2008, he was responsible for the acquisition and development of customer-specific projects at Kontron's Kaufbeuren site. Martin Steger holds a degree in electrical engineering from RWTH Aachen University and has been managing director of iesy since October 2008.

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Ralf Wardenbach

 Ralf Wardenbach

Head of Planning & 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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Ilja Stotz

 Ilja Stotz

Key Account Manager

Ilja Stotz has been working as a Key Account Manager for iesy since March 2016. As a Global Sales Support, FAE and most recently as Channel Manager DACH, he was responsible for the acquisition and development of customer-specific projects at Kontron's Augsburg location between 2005 and 2016. Ilja Stotz is responsible for Southern Germany, Austria and Switzerland. He works in Munich.

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Volker Delschen

 Volker Delschen

Internal Services

Volker Delschen has been working for iesy since December 2003 as part of the internal services team. He is responsible for coordinating all inquiries regarding products and repair orders. Volker Delschen always has an open ear for customers and potential clients and is at your service to answer questions or accept orders.

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Michelle Galensa

 Michelle Galensa

Marketing Manager

Michelle Galensa joined iesy's marketing team in December 2016. Her experience in organizing events makes her a competent contact for all events and trade fairs. As a digital marketing professional, she is furthermore responsible for all online and social media activities and is the person in charge for all corporate design questions.

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Christian Biermann

 Christian Biermann

Head of Software Development & IT

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. He also coordinates iesy's internal IT processes.

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Andrew Brieden

 Andrew Brieden

Head of Technial Support

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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Christoph Cremer

 Christoph Cremer

Head of Production & Quality Assurance

Since May 2012 Christoph Cremer heads the departments Manufacturing & Quality Management at iesy. He is a competent contact for all topics concerning the development process and the quality of our products. With over 20 years of professional experience in electronics manufacturing and quality assurance, he also accompanies the auditing of our products and service providers.

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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 Hein

M.Eng. Martin Hein

Head of Test Facility

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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Kathrin Krötz

 Kathrin Krötz

Head of Purchasing

Kathrin Krötz has been working with iesy since 1987, regardless of some interruptions. As a Head of Purchasing she coordinates all procurement and stockholding issues and takes care of logistics as well. Suppliers appreciate cooperating with her because of her negotiating skills and tenacity as well as her fairness.

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Katrin Schmitz

 Katrin Schmitz

Human Resources & Financing

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. Katrin Schmitz is working as a freelancer at the Meinerzhagen headquarters.

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Christine Degen

 Christine Degen

Administration / Order Handling

Christine Degen joined iesy in April 2002. Together with Lilli Schmidt, she is often the company's first point of contact at the switchboard and also takes care of many administrative matters. Her activities focus on order processing and dunning as well as RMA processing.

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