Our Supervisory Board is a corporate body composed of at least three members elected by the shareholders. The Supervisory Board members are appointed based on objective criteria such as their expertise, competences, experience, diversity and independence.

The main role of our Supervisory Board is the permanent supervision of the management of the company; additionally, it shall equally supervise implementation of the policies implemented by the Group Management Board, advising the Group Management Board on global corporate strategy, monitoring compliance by the company with applicable rules and regulations.

The Supervisory Board is assisted by three dedicated sub-committees, each acting within their specific areas of expertise. The permanent sub-committees of our Supervisory board are: the Nominations & Remuneration Committee, the Audit, Risk & Compliance Committee and the Strategy & ESG Committee.

Our Supervisory Board currently consists of six members and comprises a chairman and vice-chairman.

Alexander Sator

Nominations & remunerations Committee (Chairman)

Chairman of the Supervisory Board since September 2018
German – Independent Member

Alexander Sator has a degree in physics and is an inventor of several renowned laser technologies. In 1996, he founded Sator Laser, a company specialized in industrial laser systems and became group technical director when it was acquired by Domino Printing Science, Plc in 2001. In 2005, he became CEO of 4G Systems before selling it to Deutsche Telekom in 2006. He then founded Sapfi Kapital Management, a family office that invests in the telecommunications industry. At the same time, he was active as a strategy advisor for Deutsche Telekom and chairman of Cinterion Wireless Modules, a Siemens spin-off. In 2018, Alexander Sator founded 1nce in joint-venture with Deutsche Telekom,  first major IoT operator, of which he  has been its CEO ever since. 

Caroline Tissot

Strategy & ESG Committee

Member of the Supervisory Board since May 2017
French – Independent Member

Caroline Tissot is a graduate of the Institut d’Etudes Politiques de Paris and holds a master’s degree from the Université Paris Dauphine. She started her career in 1995 as a consultant with Deloitte France before joining General Electric’s Brussels-based European head office in 2003 where she spent nearly ten years in procurement gaining expertise in this field as well as extensive international experience. In 2012, she was appointed chief procurement officer of Bouygues Telecom, a French telecommunications operator. In September 2016, she moved to AccorHotels to head up their group procurement.

Francesco Serafini

Strategy & ESG Committee
Nominations & remunerations Committee

Member of the Supervisory Board since May 2017
Italian – Independent Member

Francesco Serafini joined Hewlett-Packard in 1981 where he spent most of his career. Until 2005, he held senior positions in the group such as senior vice president for HP Services and senior vice president of HP Technology Solutions Group for Europe and the Middle East. In 2005, he became head of Hewlett-Packard European operations, and in 2009, became the group’s executive vice president in charge of emerging markets.

Pascale Mourvillier

Audit, Risk & Compliance Committee
Strategy & ESG Committee

Member of the Supervisory Board since December 2021
French – Independent Member

Pascale Mourvillier began her career in auditing at Arthur Andersen. She then specialized in IFRS at the Compagnie Nationale des Commissaires aux Comptes (CNCC – National Company of Auditors) and worked as a technical advisor at Acteo. In 2005, she joined Suez as head of the IFRS expertise division and for 10 years she helped the group carry out many strategic transactions. Since 2014, she serves as an independent financial reporting consultant for many mid-caps and large corporations. She has been a member of the SFAF Accounting Commission since 2004.

Jean-Paul Cottet

Strategy & ESG Committee (Chairman)

Member of the Supervisory Board since April 2018
French – Independent Member

A graduate of Ecole Polytechnique, Mines ParisTech, and Telecom ParisTech, Jean-Paul Cottet started his career in the nuclear industry, then worked for France Telecom/Orange as network operations director in Marseille. He has held a variety of management positions, including a position on the Paris executive management team, sales director for France and director of public tenders. He also worked as network operations director for France. He then moved into various positions on the group’s executive committee as general secretary, CIO, head of the international division and head of marketing for innovation and content activities. He currently works as a management consultant for new technologies.

Yves Kerveillant

Audit, Risk & Compliance Committee (Chairman)
Nominations & remunerations Committee

Member of the Supervisory Board since May 2019
French – Independent Member

Yves Kerveillant is a graduate of HEC and holds the diploma of Chartered Accountant. Prior to joining the Equideals consulting firm and taking over its presidency in 2009, Yves headed for over 20 years a leading group of accounting firms. In parallel, he is the statutory auditor of 80 companies, several of which are listed on the stock market. His areas of expertise include business development assistance, advice on M&A related to small or medium firms as well as the elaboration of recovery and restructuring plans.

Thomas Kremer

Audit, Risk & Compliance Committee
Strategy & ESG Committee

Member of the Supervisory Board since June 2022
German – Independent Member

Thomas Kremer graduated from the University of Bonn in 1994 with a doctorate in law. At the beginning of his career, Thomas Kremer joined the legal department of ThyssenKrupp AG before becoming its general counsel in 2003 and being put in charge of implementing their compliance program. He was named Chief Compliance Officer in 2007. In 2009, he took over the management of the company’s legal & compliance expertise center. In 2012, he joined Deutsche Telekom AG as a member of the executive board and was responsible for data privacy, legal affairs, compliance, internal auditing, and risk management. Between January 2014 and March 2015, he served as interim human resources director in parallel with his duties. From May 2015 until his retirement in March 2020, he was also a member of the supervisory board of T-Systems International GmbH, and sat on the safety and human resources subcommittees. In addition to his operational duties, Thomas Kremer was a member of the German government’s commission on corporate governance (Deutscher Corporate Governance Kodex, or DCGK). He was also president of the association for network security called “Deutschland sicher im Netz.” Dr. Thomas Kremer is currently a lecturer at the University of Bonn in business law and corporate governance.

Supervisory Board Corporate Governance Charter