About us

Our company

Imperix develops high-end control equipment and prototyping hardware for power electronics, drives, smart grids and related topics. Its products are designed to enable cutting-edge innovation in corporate and academic environments. They are especially valued for their ability to accelerate the implementation of laboratory-scale power converters and facilitate the derivation of high quality experimental results.
The company also offers various levels of integration services, intended to assist its customers in their prototyping activities. As such, its offering ranges from the delivery of plug-and-play hardware and software, to that of fully customized systems involving specialized control software algorithms.

Imperix ltd. is established in Sion, Switzerland. Its name is derived from the Latin verb imperare, which stands for controlling – or ruling – and refers to the company’s core business: the control of power electronic systems. It is a spin-off of the Swiss Federal Institute of Technology, Lausanne (EPFL).


– In 2013, the EPFL innogrant has been awarded to imperix
– In 2014, 2015, 2016 and 2017, imperix was listed among the top 100 startup companies in Switzerland


Simon Delalay  LinkedIn profile

Managing director and co-founder

Simon was born in 1985 in Sierre, Switzerland. He received B.Sc. and M.Sc degrees from EPFL, Lausanne, Switzerland in Electrical Engineering. During his studies, he specialized in the field of electric power conversion.
He obtained his Ph.D degree in July 2013 from the Industrial Electronics Laboratory in the same school. His thesis focused on energy storage and management, ultrafast battery charging and energy supply from/for intermittent systems.

simon.delalay 'at' imperix.ch
+41 (0)27 552 06 61

Nicolas Cherix  LinkedIn profile

Chief scientist and co-founder

Nicolas was born in 1986 in Château-d’Oex, Switzerland. He received his B.Sc., M.Sc and Ph.D. degrees from EPFL, Lausanne in Electrical Engineering. During his studies, he specialized in the field of microelectronics and embedded systems.
His PhD thesis addressed the improvement of the power quality of the Swiss railway electricity supply chain, using modular multilevel converters with integrated split energy storage.

nicolas.cherix 'at' imperix.ch
+41 (0)27 552 06 62


Our supporters

Prof. Alfred Rufer, head of EPFL-LEI, received his M.S. degree from EPFL in 1976. In 1978, he joined ABB, Turgi, Switzerland, where he was a team leader in the field of power electronics and control, such as high-power variable frequency converters for drives. In 1993, he became an Assistant Professor at EPFL and has been a Full Professor since 1996. He has authored or coauthored numerous publications on power electronics and its applications and is the holder of several former and recent patents.

Prof. Philippe Barrade, formerly first assistant of LEI, received his Ph.D. degree in Electrical Engineering in 1997 from INP Toulouse, France. In 1998, he joined the research and development team of SAFT, which is active in energy storage applications. Since 1999, he has been the first assistant of Prof. Rufer and has been an active lecturer at EPFL. He is now a Professor at the university of applied sciences of Sion (HES-SO Valais/Wallis). He is the author of numerous publications and books.