The Executive Board of voxeljet AG consists of two persons: Dr. Ingo Ederer who is the founder and has the role of Chief Executive Officer (CEO) and Rudolf Franz who has the role of Chief Operating Officer (COO) and Chief Financial Officer (CFO).

Dr. Ingo Ederer, CEO

Dr. Ingo Ederer (born 1967) is not only the key inventor of our technology but also one of the business founders. From 1999 to 2013 he built up the company into a leading provider of 3D printers for industrial and commercial customers. He was appointed CEO of voxeljet in 2013.

After successfully completing his studies in mechanical engineering at the Technical University of Munich Dr. Ederer also obtained his doctorate at this university in 2000. He started intensively exploring the field of Additive Manufacturing during his studies. Since then, he has become a recognized expert in this area of expertise and has enriched the professional world.

Ingo Ederer from voxeljet
Rudolf Franz from voxeljet

Rudolf Franz, COO/CFO

Rudolf Franz (born 1967) joined voxeljet’s founding team in early 2002 and became one of voxeljet’s larger shareholders in 2003. Since then, Rudolf Franz has helped grow voxeljet AG from a small engineering firm with 10 employees to a global company with more than 250 employees. In his role as COO, he focuses on marketing and sales, finance and controlling, risk management, compliance, legal, HR, business development and investor relations. He has served the company as CFO since its IPO on the NYSE in 2013, the move to Nasdaq in 2020 and the voluntarily De-registration from Nasdaq in 2024.

Rudolf Franz studied industrial engineering for eight semesters at the University of Applied Sciences in Munich, where he earned a master’s degree in industrial engineering, and economics for five semesters at the University of Augsburg. In 1995, he began his career as an investment manager at Technologieholding VC GmbH in Munich, a leading European venture capital firm at the time, where he became a partner two years later, heading the firm’s Munich investment team. In early 2000, together with the other partners of Technologieholding, he sold his shares to 3i Group plc. (, based in London, where he was then responsible for technology investments in the German-speaking market.