Supervisory Board

Xavier Piechaczyk

Chief Executive Officer of the RATP Group

Chief Executive Officer of the RATP Group since February 2026, Xavier Piechaczyk has been Chief Executive Officer of RTE since September 2020. In 2015, he joined RTE’s Management Board as Deputy Managing Director in charge of the Grids, Customers and Regions department.

Before joining RTE, he served as an advisor to the Prime Minister and then to the President of the Republic between 2012 and 2015, with responsibility for transport, energy, the environment, housing and urban policy.

Prior to that, from 2007 to 2009, he worked for the Ministry of the Environment, where he was in charge of developing and modernizing road infrastructure. He was then appointed Deputy Director of Transport Services from 2009 to 2012, in charge of regulating land transport and relations with local authorities.

A chief civil engineer, Xavier Piechaczyk is a graduate of the École Nationale des Travaux Publics de l’État and the École Nationale des Ponts et Chaussées, and holds a PhD in Political Science.

Jean-Yves Leclercq

Vice President of the RATP Group

Jean-Yves Leclercq is a graduate of the École Normale Supérieure (Ulm) and the École Nationale de la Statistique et de l’Administration Économique (ENSAE). He also holds a postgraduate degree in international macroeconomics.

From 1994 to 2008, he held several positions within the Ministry of Economy, Finance, and Industry, notably those of Deputy Director of Services, Aeronautics, Defense, within the State Participation Agency (2004–2008) and Head of the Transport and Urban Planning Office within the Treasury Department (2002–2004).

Within the SNCF Group, he served as Director of Finance, Strategy and Legal Affairs at SNCF Voyages (2008–2012). In 2012, he became Director of Europe and International Development for the SNCF Voyages division of SNCF Mobilités.

He became Chief Financial Officer of the RATP Group in April 2018. In 2022, his responsibilities were expanded to include Purchasing and Logistics, Shared Services Centers, and then, in October 2024, Strategy and CSR.

Christiane Bergevin

Member

Christiane Bergevin joined the RATP Dev Supervisory Board on January 1, 2017.

Ms. Bergevin has held several positions in senior management throughout her career, notably as President of SNC-Lavalin Capital, and as Executive Vice President of Strategic Partnerships and Business Development for Desjardins Group. She started her own consulting firm in 2016.

Ms. Bergevin chairs the Audit Committee of the Board of Directors for the AGF Group since 2015, and is an independent Director for Yamana Gold since 2014. She has extensive experience in philanthropy, and has been a member of the Boards of the Foundation of Women's Centre of Montreal and the Montreal Heart Institute Foundation among others. She is also a member of the International Advisory Committee to the Principal and Vice-Chancellor of McGill University.

Ms. Bergevin was elected as Past Chair of the Board of the Canadian Chamber of Commerce for 2018-2019.

Christiane Bergevin is a graduate of McGill University (Montreal), with distinction in finance and entrepreneurship, and of the Wharton School (Philadelphia). Ms. Bergevin has completed the Institute of Corporate Directors’ (ICD) accreditation program.

Daniel Chaffraix

Member

Daniel Chaffraix is joining the Supervisory Board of RATP Dev as of 5 November 2021.

After starting his career in the banking sector, he joined IBM in 1984, where he held various positions of responsibility in R&D, Manufacturing, and Services. He was in charge of operational divisions in the European Services branch before becoming President of IBM France. He joined the Capgemini Group in 2010 where he was in charge of the Continental Europe division of Infrastructure Services. In 2015, he joined the Altran Group as Executive VP in charge of Transformation. He fulfilled that role alongside the CEO until the acquisition of Altran by Capgemini in March 2020. He was most recently in charge of the Global Engineering Centers and Global Operations of the Capgemini Engineering Division.

Mr Chaffraix is a graduate of the ESC Clermont Business School and received his master’s degree from the University of Kansas.

Jérôme Nanty

Member

Jérôme Nanty, 59 years old, is a graduate of the IEP in Paris (Institute of Political Studies) and holds a master’s degree in public law.

He began his career at Societe Generale, before joining Crédit Lyonnais' Financial Markets Division in 1989 as a public debt operator, then as head of a portfolio of bond issuers. In 1998, he joined the Human Resources Department as head of employment policy and them of labour relations.

From 2001 to 2004, he was Director of Corporate Relations for the Crédit Lyonnais Group. He held the same positions for the Crédit Agricole Group from 2003. He became Human Resources Director of Crédit Lyonnais (later LCL) in 2005.

He joined the Caisse des Dépôts group in 2007 as head of human resources for the group. In December 2012, he was appointed General Secretary of Transdev Group. As such, he is also Chairman of the Supervisory Board of SNCM.

In July 2016, he joined Air France KLM as Deputy Managing Director in charge of the General Secretariat, the Group’s Human Resources Department and Transformation Management. Jérôme Nanty joined Carrefour in October 2017 as Executive Director of Group and French Human Resources.

Since July 1st, 2019, he is also in charge of the Real Estate Function.

Agnès Ogier

Member

Agnès Ogier joined the Supervisory Board of RATP Dev on October 12, 2022.

Ms. Ogier became an RATP Group Executive Committee member in July 2022 as responsible for launching the RATP Rail Services BU. This key entity brings together some 13,000 employees and all of RATP’s activities in the metro and RER networks and related spaces, with a strong focus on the “Services” dimension. Ms. Ogier has served as Director of the Railway Services Business Unit since January 1, 2023.

A graduate of École Centrale Paris, Ms. Ogier began her career in consulting before moving on to SFR, where she honed her marketing expertise for 15 years. She joined SNCF in 2010 to oversee marketing for TGV Intercités, where she notably launched Ouigo.

She then spent four years as CEO of Thalys.

After serving as Communications Director for SNCF, she became head of the TGV Atlantique unit for SNCF Voyageurs.

Laurent Troger

Member

Laurent Troger began his career at Alstom in 1989, where he contributed to iconic projects for RATP, such as the MP89 metro on lines 1 and 14, before heading up signaling activities and turnkey projects such as the Singapore automated metro.

In 2004, he joined Bombardier Transportation, where he held several management positions, including President from 2015. Since 2019, he has been coaching executives, developing technology start-ups, and advising on major infrastructure projects for sustainable mobility.