Media Release

Andreas Pfrunder takes over as CEO of Trafag

Bubikon, Switzerland – Trafag, a global leader in the precise measurement and reliable monitoring of pressure, temperature and gas density, announces that Andreas Pfrunder has assumed the role of Chief Executive Officer, effective 1 August 2026. He succeeds Dieter Zeisel, who has retired from operational management and joined the Board of Directors. The leadership transition marks an important step in the long-term development of the independent, family-owned Swiss company.

With the appointment of Andreas Pfrunder, the next generation assumes responsibility for the operational management of Trafag. This transition forms part of the company's long-term ownership strategy and ensures continuity in its values, leadership, and entrepreneurial spirit. 

Andreas Pfrunder has served on Trafag's Board of Directors since 2019 and joined the Executive Committee in 2025, most recently leading Key Account Management and Business Development. Before joining Trafag, he co-founded Sevensense Robotics, an ETH Zurich spin-off specializing in autonomous mobile robotics, which was acquired by ABB Robotics in 2023. He holds an MSc in Robotics from ETH Zurich and an MBA from INSEAD. As a member of the owning family, his appointment also reflects Trafag's long-term commitment to independent family ownership and continuity. 

«I have worked closely with Andreas over the past several years and have seen firsthand his entrepreneurial mindset, strategic thinking, and commitment to our customers. He combines a deep understanding of Trafag with valuable experience gained outside the company, and I am convinced that he will lead Trafag successfully into its next chapter. I am delighted to hand over this responsibility to him,» says Dieter Zeisel, former CEO and member of the Board of Directors. 

Trafag enters this new chapter from a position of strength. The company continues to grow, maintains long-standing customer relationships across global markets, and remains firmly rooted in Swiss engineering excellence and technical innovation. These strengths will continue to guide its future development. 

«I look forward to taking on this responsibility and building on Trafag’s strong foundation of technical excellence, committed employees, and long-standing customer relationships. My ambition is to foster an entrepreneurial culture in which our people take ownership, remain close to our customers, and turn ideas into solutions with speed and determination. By continuing to learn and striving for excellence, we will shape Trafag’s future and strengthen our contribution to building confidence in critical applications,» says Andreas Pfrunder, CEO of Trafag. 

Following his retirement from operational management, Dieter Zeisel has joined Trafag's Board of Directors, where he will continue to contribute his extensive experience to the company's long-term strategic development. The entire Trafag leadership team would like to thank Dieter for his significant contributions, expertise, and commitment thoughout his 28 years with Trafag. 

More about Trafag: www.trafag.com  

About Trafag

Trafag is one of the world’s leading developers and manufacturers of sensors and monitoring solutions for precise and reliable measurement of pressure, temperature, level and gas density. Founded in 1942 and headquartered in Bubikon, Switzerland, the company serves demanding industrial applications worldwide with a broad portfolio of standardized, configurable and tailor-made solutions. Its product range includes pressure transmitters and switches, temperature transmitters and thermostats, level sensors and gas density monitoring instruments. Trafag solutions are used in applications where reliability, safety and long-term performance are essential, including high-voltage switchgear, shipbuilding, large engine construction, hydraulics, railway, machine building and process industries. By combining Swiss engineering, application expertise and robust product design, Trafag develops solutions for the specific needs of OEMs, system integrators and operators, helping customers meet demanding quality, safety and operational requirements under extreme conditions.