Supervisory board

Martin C.J. van Pernis

Mr. van Pernis was elected as member of the Supervisory Board in May 2010 and was lastly reappointed on May 18, 2020, for a period of two years.

Mr. van Pernis made a career at Siemens fulfilling several executive positions. He joined Siemens in 1971 and retired from the Siemens Group at the end of 2009 as Chairman of the Management Board of Siemens Nederland NV.

Mr. van Pernis is currently Chairman of the Supervisory Boards of the Dutch listed companies Aalberts NV and He is furthermore a member of the Supervisory Board of Optixolar/Coolback BV, and member of the Advisory Board of G4S Netherlands. Mr. Van Pernis was until May 2018 also Chairman of the Supervisory Board of Batenburg NV.

Mr. van Pernis studied electrical engineering at the Technical University Delft and Technical High School The Hague, the Netherlands, and law and economics at Erasmus University Rotterdam, the Netherlands. Mr. van Pernis is a Dutch national.


Mr. Lamouche was elected as a member of the Supervisory Board on May 18, 2020, for a period of four years.

Mr. Lamouche was until the end of 2018 the CEO of IDEMIA (formerly Oberthur Technologies) which is the world leader in security and identity solutions. Prior to that he was the CEO of the Euronext listed Bull Group until 2010. And before that he had senior several executive positions in the semiconductor industry; latest as COO of ST Microelectronics and CEO of ST-Ericsson.

Mr. Lamouche has been a non-executive at the boards of Soitec and STMicoelectronics, and is currently Chairman of the Supervisory Board of Utimaco, a leader in the cybersecurity space, and non-executive Chairman of the Board at Quadient, a company listed on Euronext and active in Enterprise communication systems. He is a member of the Supervisory Board of Adecco since 2011 (listed on the SIX in Zurich).

Mr. Lamouche graduated in 1981 from the Ecole Centrale de Lyon as an engineer, and has a PhD in semiconductor technology. Mr. Lamouche is a French national.

​​Stefanie Kahle-Galonske
​Mrs. Kahle-Galonske was elected as a member of the Supervisory Board on May 22, 2017, for a period of four years.

Since April 2016 Mrs. Kahle-Galonske is Group CFO of Egon Zehnder International in Zurich, Switzerland. From March 2013 till March 2016, she was CFO of Markem-Imaje at Dover Corporation based in Geneva, Switzerland. Between January 2007 and February 2012, she held various senior executive positions at NXP Semiconductors in France and the Netherlands.

Mrs. Kahle-Galonske in the past served as non-executive board member of Micronas Semiconductors in Switzerland and Nu-Tune Singapore.

Mrs. Kahle-Galonske graduated in Economics at the Ruhr-University of Bochum, Germany and is a Certified Public Accountant (CPA) since 2002. Mrs. Kahle-Galonske is a German and Swiss national.


Mr. de Jong was elected as a member of the Supervisory Board on May 28, 2018, for a period of four years.

Mr. de Jong was CEO of LM Wind Power A/S until April 2018. Before that he was the executive general manager of InnoMarket B.V. Prior thereto and until 2009 he was a member of the executive management team of NXP Semiconductors, after which he was until 2013 responsible at Philips Lighting for professional lighting solutions and at the same time member of the group management committee of Philips.

Mr. de Jong is currently member of the Supervisory Boards of Nissens A/S based in Denmark, Fiberline Composites A/S based in Denmark, and chairman of Sioux B.V., based in the Netherlands.

Mr. de Jong holds a Master’s degree in Physics and Mathematics from the VU University of Amsterdam, the Netherlands, and a Master’s degree in Business Administration (executive program) from the Erasmus University Rotterdam, the Netherlands and Rochester, USA. Mr. de Jong is a Dutch national.


Mrs. de Virgiliis was elected as member of the Supervisory Board on May 18, 2020, for a period of four years.

Mrs. de Virgiliis fulfilled until mid-2019 the role of chief strategy officer of CEA, the French Atomic & Alternative Energy Commission. Preceding that she had senior executive positions at Octo Telematics, Infineon Technologies, and a long career within ST Microelectronics fulfilling several senior executive roles. She has recently founded Chapter Zero France, under the auspices of the World Economic Forum as a part of the global Climate Governance Initiative.

Mrs. de Virgiliis is currently a non-executive director at the Prysmian Group, a Milan listed company, and at Geodis, which is part of the SNCF Group.

Mrs. de Virgiliis studied at the University of Turin (Politecnico di Torino) where she received her master’s degree in electronic engineering summa cum laude. She holds a dual nationality: Italian and French.

The Supervisory Board has oversight of the Audit Committee and the Nomination, Selection and Remuneration Committee . For more information about Supervisory Board Profiles and Rules click on the links below: