Interroll Announces Changes in Group Management

On January 16, 2026, Interroll Holding AG, based in Sant'Antonino, Switzerland, announced several significant changes in its Group Management. Ayan Demirel, the Chief Operating Officer (COO), has departed from the company to explore new opportunities outside of Interroll. The company expressed gratitude for his valuable contributions to its operational development. Markus Asch will assume the COO responsibilities temporarily until a successor is appointed.

Additionally, Dr. Johannes Van Der Beek resigned as Chief Technology Officer (CTO), choosing to pursue opportunities in line with his expertise in engineering and research and development. Interroll acknowledged his role in establishing a foundation for future system engineering and testing approaches.

Ulrich Engenhardt has been appointed as the new CTO, effective January 2026. Engenhardt brings extensive experience from leading roles at Kärcher and Rittal, and is expected to enhance Interroll's innovation programs and global competence. Interroll thanked its team for their dedication to the company's growth and market position.