Nationality: French

Years on the Board: 1 year

End date of current term: Annual General Meeting called to approve the financial statements for the year ending March 31, 2027

From August 2018 to February 2025, Frédéric Lissalde served as President and Chief Executive Officer of BorgWarner, Inc., one of the world’s leading automotive suppliers, after holding the positions of Executive Vice President and Chief Operating Officer from January 2018 to July 2018. From May 2013 to December 2017, he was Vice President of the company, as well as President and Chief Executive Officer of BorgWarner Turbo Systems LLC. 

Before joining BorgWarner Inc. in 1999, he held various positions with Valeo and ZF in program management, engineering, operations and sales in the UK, Japan and France. 

Frédéric Lissalde holds a Master’s of Engineering from ENSAM – École nationale supérieure des arts et métiers – Paris, and an MBA from HEC Paris. He is also a graduate of executive courses at INSEAD – Institut Européen d’Administration des Affaires, Harvard and MIT.

Nationality: French

Years on the Board: 3 years

End date of current term: Annual General Meeting to be called to approve the financial statements for the fiscal year ending March 31, 2026

Pierre Barnabé joined the Company in May 2022 and was appointed Chief Executive Officer on July 26, 2022.

In January 2022, he joined the Board of Directors of Ipsos, the multinational market research and consulting firm.

Between 2015 and 2021, he was Executive Vice President of the Atos group, in charge of the Big Data & Cybersecurity (BDS) division. He also managed the group’s Public Services & Defense, then Manufacturing activities. He was interim group CEO in 2021.

Before its acquisition by Atos in 2014, he was the Deputy CEO of Bull, the unique European leader in supercomputing, electronics for artificial intelligence, cybersecurity and cyberdefense from 2013 to 2015.

From 2011 to 2013, he was Executive Vice President of the Business branch of the French Telco SFR, where he launched cloud computing and very high-speed broadband activities.

From 1998 to 2013, he held various positions at Alcatel then Alcatel-Lucent, first in sales, then as Chairman & Managing Director of Alcatel-Lucent France (formerly Alcatel CIT), before becoming Deputy Managing Director of the group in charge of Human Resources and Transformation.

Pierre Barnabé has been knighted in the French National Order of Merit.

Pierre Barnabé graduated from the NEOMA Business School (France) and the École Centrale de Paris (France).

Nationality: French

Years on the Board: 4 years

End date of current term: Annual General Meeting called to approve the financial statements for the year ending March 31, 2027

Wissème Allali joined the Quality Department at Soitec in 2011, continuing a career as a quality specialist in various industries.

In addition, Wissème Allali was employee representative on the Company’s CHSCT (health, safety and working conditions committee) from 2013 to 2015.

She was promoted to the post of engineer in 2018, after obtaining a Master’s degree in continuous improvement and operational excellence.

Following her appointment as an employee director, Wissème Allali took a governance training course and obtained a corporate director's certificate from EM Lyon (France) in November 2023.

Nationality: Belgian

Years on the Board: 6 years

End date of current term: Annual General Meeting called to approve the financial statements for the year ending March 31, 2027

Françoise Chombar served as Chief Executive Officer of Melexis for 18 years (from 2003 to 2021). Melexis develops and manufactures mixed signal semiconductor sensor and driver components mainly aimed at automotive applications. At the same time, she has been an independent director on the Board of Umicore since 2016, a group specialized in materials technology and recycling.

She is a member of the Boards of Directors of Mediafin, a Belgium-based media group, of Antwerp Management School, the highest EMBA ranked business school of the Benelux, and of Smart Photonics, a Dutch semiconductor company. 

She also chairs the STEM Platform, a consultative body of the Flemish regional government that aims to encourage young people towards STEM studies (science, technology, engineering and mathematics) and to promote these disciplines to the general public.

From 1999 to 2016, she was a mentor for the SOFIA Women’s Network, a coaching and learning organization for female professionals, and she promotes the access of women to Boards of Directors through her membership of the Belgium-based non-profit organization Women on Board.

Prior to joining Melexis, Françoise Chombar worked at Elmos GmbH, a German semiconductor supplier, where she was in charge of Production Planning and Customer Service from 1985 to 1989.

Françoise Chombar holds a Master’s degree in Applied Languages (Dutch, English and Spanish) from Ghent University (Belgium).

Nationality: French

Years on the Board for Bpifrance Participations: 12 years

End date of current term: Annual General Meeting to be called to approve the financial statements for the fiscal year ending March 31, 2025

Bpifrance Participations: Bpifrance Participations is a subsidiary of Bpifrance, which invests directly and indirectly through company funds. It is the parent company of Bpifrance Investissement and conducts its business as part of the public interest mission entrusted to Bpifrance.

Samuel DALENS: Samuel Dalens is a Director at Bpifrance, investing in mid-sized and large companies.

Samuel Dalens has 15 years’ experience in finance and private equity. Prior to joining Bpifrance in 2012, Samuel Dalens worked in the French administration, for two years at the Ministry of Foreign Affairs and four years at the Ministry of Finance (at the Budget Office, then at the French Government Shareholding Agency). Samuel Dalens graduated from the École Polytechnique (France) and École Télécom Paris (France) (he is a Mines engineer).

Nationality: French

Years on the Board for FSP: 3 years

End date of current term: Annual General Meeting to be called to approve the financial statements for the fiscal year ending March 31, 2025

Fonds Stratégique de Participations: FSP is an investment company managed by ISALT, an independent management company specifically created to manage FSP’s equity interests. The shareholders and directors of FSP comprise seven French insurance companies: BNP Paribas Cardif, CNP Assurances, Crédit Agricole Assurances, Groupama, BPCE Assurances, Société Générale Assurances and Suravenir. FSP provides long-term support to French companies in their growth and transition projects. FSP holds large "strategic" stakes in companies’ share capital and participates in their governance structures through membership of their Boards of Directors or Supervisory Boards. FSP holds investments in its portfolio in French companies that are leaders in their fields.

Laurence Delpy is Chief Executive Officer of Kinéis since April 2025.

From 2022 to 2025, Laurence Delpy was Chief Executive Officer of the Eutelsat Video Division.

From 2020 to 2022, Laurence Delpy was Vice President EMEA Service Providers at Palo Alto Networks, a global leader in cybersecurity. 

From 2016 to 2020, Laurence Delpy managed Nokia’s mobile network business for the Asia-Pacific region and Japan, where she lived and worked for 25 years. 

She served as Vice President of Alcatel-Lucent’s mobile business in Asia and Deputy Vice President of the network business in China within their joint venture, Alcatel-Lucent Shanghai Bell, from 2012 to 2016. 

Previously, she was Vice President and Chief Executive Officer of the GSM product line from 2010 to 2012. Prior to that, she held several sales positions in Telstra, Alcatel and Alcatel-Alstom in Australia, South Asia and France. 

Laurence Delpy graduated from the École supérieure de gestion de Paris (France) and holds a degree in Business Administration. She also holds a certificate in general administration obtained atINSEAD in Singapore.

Nationality: French

Years on the Board: 9 years

End date of current term: Annual General Meeting to be called to approve the financial statements for the fiscal year ending March 31, 2026

Christophe Gégout is a founding Partner and Non-Executive Director at Yotta Capital Partners (France) since December 2020.

Before founding Yotta Capital Partners, Christophe Gégout was Investment Director at Meridiam, one of the world's leading providers of investment and asset management services for public infrastructure, in charge of investments in SMEs. At Meridiam, he notably led investments in electric vehicle charging infrastructure (through Allego BV).

Before that, he was Chief Financial Officer at the French Alternative Energies and Atomic Energy Commission (Commissariat à l’énergie atomique et aux énergies alternatives – CEA) from 2009 to 2015 and was then named Deputy General Manager, a position he held until 2018. In this role, he developed innovation partnerships with major international groups and European SMEs, as well as a new asset management business on behalf of third parties, focusing on ground-breaking innovations in the field of major transformations (digital, medical and energy revolutions), which is now led by Supernova Invest.

From 2001 to 2009, Christophe Gégout held various positions within the French Ministry of Economy and Finance, including advisor to Christine Lagarde, Finance Minister.

He is a graduate of the École polytechnique, Sciences-Po Paris (France) and ENSAE (French national school of statistics and economic administration).

Nationality: French

Years on the Board for CEA Investissement: 8 years

End date of current term: Annual General Meeting to be called to approve the financial statements for the fiscal year ending March 31, 2025

CEA Investissement: CEA Investissement is a wholly-owned subsidiary of CEA, which holds CEA’s portfolio of strategic equity investments. CEA Investissement is advised and operated by the asset management company Supernova Invest (authorized by the French financial markets authority [Autorité des marchés financiers – AMF]) under no. GP-17000008). Since 1999, CEA Investissement has financed and supported dozens of start-ups, and contributes to CEA’s innovation policy, from life sciences to energy, microelectronics, materials, industrial equipment, etc.

François Jacq is Chair and General Manager (Directeur Général) of CEA since April 2018.

In September 2013, he was appointed as Chair and Chief Executive Officer of IFREMER, the French national institute for marine science and technology. In April 2009, François Jacq joined Météo-France, the French national meteorological service, as Chair and Chief Executive Officer, and Permanent Representative of France with the World Meteorological Organization. Between 2007 and 2009, he was advisor to the Prime Minister for Sustainable Development, Research and Industry. In 2005, he joined the General Directorate for Energy and Raw Materials at the Ministry of Industry as Head of the Directorate for Energy Demand and Energy Markets. In 2000, François Jacq became Chief Executive Officer of the French Agency for Radioactive Waste Management (ANDRA).

François Jacq studied at the École Polytechnique (France) and École des Mines de Paris. He holds a degree in sociology and a PhD in the history of science.

Nationality: French

Years on the Board: 4 years

End date of current term: Annual General Meeting called to approve the financial statements for the year ending March 31, 2027

Didier Landru is a senior expert in Soitec’s Innovation Department, where he has held various R&D positions over the past 15 years, after an initial experience in a major semiconductor industry group.

In addition, Didier Landru held the title of senior employee representative (délégué du personnel collège 3) from 2016 to 2019 and CFE-CGC union representative from 2019 to 2021.

Didier Landru has a materials science engineering diploma from Grenoble INP-Phelma and obtained his PhD in 2000 from the University of Grenoble-Alpes, in partnership with the University of Cambridge (United Kingdom).

Following his appointment as an employee director, he took a governance training course and, in March 2022, obtained a corporate director's certificate from Sciences Po-IFA (France).

Nationality: Japanese

Years on the Board: 10 years

End date of current term: Annual General Meeting called to approve the financial statements for the year ending March 31, 2027

Satoshi Onishi was Director of the Office of the President until early 2023.

Previously, for more than five years, he was President & Chief Executive Officer of Shin-Etsu Handotai EuropeLtd., a UK-based company.

He joined Shin-Etsu Chemical Co. Ltd in 1985, where he initially worked in the IT Systems division of Shin‐Etsu Handotai Co. Ltd, which has been the world’s leading supplier of silicon wafers for the semiconductor industry for many years. Satoshi has over 30 years’ experience in this sector.

He graduated from the University of Kagawa (Japan) in 1985 with a degree in economics.

He also holds a Master’s degree in Industrial Systems Engineering from the University of Florida (USA).

Nationality: French

Years on the Board: 3 years

End date of current term: Annual General Meeting to be called to approve the financial statements for the fiscal year ending March 31, 2026

Maude Portigliatti is Executive Vice President of Michelin’s High-Tech Materials businesses, member of Michelin’s Executive Committee (France) since July 2021.

At Michelin, Maude Portigliatti is in charge of driving the change towards high-value new domains. She oversees composite products such as conveyors, belts and seals, the engineered polymers segment, as well as two joint ventures: Symbio (fuel cells) and Solesis (biomaterials solutions). 

Since 2023, Maude Portigliatti has been a member of the Académie des Technologies, a national public administrative body which, thanks to the diverse expertise of its members and the collective nature of its work, provides a detailed, original and impartial perspective on issues relating to technologies and how they fit in with society. It is committed to promoting useful and responsible technological choices that improve living conditions. 

Starting in 2017, while based in South Carolina in the United States, she took the position of Innovation Deployment Programs Director, serving key customers in the Automotive Original Equipment Business Line. 

Since joining Michelin in 2000, Maude Portigliatti has benefited from more than 15 years’ experience in upstream and downstream R&D, over a wide technological scope, and managing teams around the world. 

She was appointed Scientific Director in 2013, with the particular responsibility of developing partnership innovation within the group. She also headed the Advanced Research Department where she was in charge of developing Michelin innovations for the tire and High-Tech Materials segments. 

Maude Portigliatti is a graduate of INSA Lyon engineering school (France), where she majored in materials physics. She also holds a research Master’s degree in materials science and a PhD in polymer physics.

Nationality: French

Years on the Board: 3 years

End date of current term: Annual General Meeting to be called to approve the financial statements for the fiscal year ending March 31, 2026

Delphine Segura-Vaylet is Deputy Managing Director, Human Resources at Groupe SEB (France) since January 2021

Before joining SEB, Delphine Segura-Vaylet joined the Total group in 2017 as Director of Group HR Strategy and Policy.

In 2014, she joined Zodiac Aerospace as the Group HR Director and ExCom member, until the sale to Safran.

In 2007, she joined STMicroelectronics as HR Director for the Digital Consumer branch. For four years, she was in charge of the Talent and Organization Development Department, then of Training at Group level.

Delphine Segura-Vaylet began her career at Thales where she held various positions as HR Operations Director within the subsidiary Semiconducteurs Spécifiques and the Research Group, IT Group and Services France activities for 13 years.

Delphine Segura-Vaylet holds a Master 2 (Diplôme Études Approfondies) in European Social Law from the University of Paris 1 – La Sorbonne (France).

Nationality: Finnish

Years on the Board: 6 years

End date of current term: Annual General Meeting to be called to approve the financial statements for the fiscal year ending March 31, 2025.

Kai Seikku is President & Chief Executive Officer of Okmetic Oy (Finland) since 2010 and Executive Vice President of National Silicon Industry Group (NSIG) (China) since 2016.

Kai is a member of the Board of Directors of NoHo Partners (since 2022), Inderes Oy (from 2016 to 2024) and Verkkokauppa.com (from 2013 to 2024). as well as an industrial consultant for Intera Partners, a private equity firm (since 2013).

Before joining Okmetic Oy, he worked in the food industry as Chief Executive Officer of HKScan Corporation (2005-2009) and in marketing as Finland Regional Manager of McCann-Erickson (2002-2005) and Chief Executive Officer of Hasan & Partners (1999‑2005).

Kai Seikku began his career at Bossard Consultants (Gemini Consulting) (1991-1993) before joining the Boston Consulting Group (1993-1999) where he was project manager for Finland and Sweden.

He has a Masters’ degree in Economics from Aalto University (Finland).

Nationality: American

Years on the Board: 6 years

End date of current term: Annual General Meeting called to approve the financial statements for the year ending March 31, 2027

Shuo Zhang is Managing Partner & Chief Executive Officer of Renascia Partners LLC since July 2015, Advisory Partner of Benhamou Global Ventures since February 2016 and Operating Partner of Atlantic Bridge Capital since January 2018.

In 2019, she joined the Board of PDF Solutions Corp.

Since 2017, she has also sat on the Board of Directors of Grid Dynamics and been an executive director of Telink Semiconductor Corp.

She has held various management positions at Cypress Semiconductors (2007-2015), Silicon Light Machines (2006-2007), Agilent Technologies (2000-2006), Altera (1998-2000), Quester Technologies (1996-1998) and LSI Logic (1994-1996).

She started out as a research assistant at the Chinese Academy of Sciences (1987-1989) and at Penn State University (1990-1994).

Shuo Zhang has an MSc in Engineering from Penn State University (USA) a BSc in Electrical Engineering from Zhejiang University (China) and an Executive Management degree from Stanford University (USA).