République Française

Member of BEREC

Languages Français English

Introducing ARCEP / The Institution

The Director-General, Deputy Director-Generals and Division Directors

Cécile Dubarry, Director-General

Cécile Dubarry has been appointed Director-General of Arcep. The appointment takes effect today. She is replacing Benoît Loutrel.

An engineer and graduate of the Ecole des Mines, Cécile Dubarry began her career in 1994 at the Directorate-General of Posts and Telecommunications then, from 1997 to 2002, at the Telecommunications Regulatory Authority.

In 2002, she was named Deputy Director, then in 2005 department head, Assistant to the Director of the Media development department (DDM).

Since 2009, she has been the Head of the Digital economy department for the Ministry of the Economy and Finance’s Directorate-General for Enterprise and Industry (DGE).

Click to download the picture


François Lions is a telecommunications general engineer. He began his career at France Telecom where he held various technical, commercial and managerial positions.

In 1992, he joined the DRG (Directorate-General of Regulation), then the DGPT (Directorate-General of Posts and Telecommunications) where he participated in the definition and implementation of liberalisation measures.

He joined Autorité de Régulation des Télécommunications (ART) at its creation, in January 1997, as Director of the Economic and Competition Division, then the Economic and Forecasting Division.

On 1st June 2005, he was named Deputy Director General of Autorité de Régulation des Communications Electroniques et des Postes (ARCEP) which was created when ART’s missions were extended to include the regulation of postal activities.

Click to download the picture


Zacharia Alahyane is a graduate of the École Nationale Supérieure d'Ingénieurs de Constructions Aéronautiques and of the Institut d'Administration des Entreprises de Paris Sorbonne (Sorbonne Graduate Business School).

He began his career in 1998 as a military engineer at the French Armaments Procurement Agency. Initially responsible for aircraft engine components tests, he later took charge of the drones and missiles sector's industrial policies.

In 2010, he joined the Ministry of the Economy (General Directorate for Competitiveness, Industry and Services) in charge of the automotive suppliers sector.

In 2012, he joined the staff of the Industrial Renewal Minister as a member of the "restructuring" team, which he went on to lead until August 2016 as part of the Ministry of the Economy's staff. During these four years, he designed State action to support of failing businesses, and carried out these actions on behalf of the Ministers.

On 3 November 2016, Zacharia Alahyane, 44, was appointed Director of Arcep's Internet and Users department.

Click to download the picture


A graduate of Sciences Po Grenoble with a Master of Political and Social communication from the Université Paris 1 Panthéon Sorbonne, Clémentine Beaumont began her career as an institutional communications consultant and later an account manager for a communications agency: she joined TBWA Corporate in 2007 before going to work for Empreinte Corporate in 2014.

In October 2015, Clémentine came to work for Arcep as head of partnerships in the Chairman’s office. On 1 July 2016, she was appointed Director of Communications and Partnerships.

Click to download the picture

Catherine Gallet-Rybak, GENERAL SECRETARY

With a PhD in Economics from the École nationale des ponts et chaussées and a Master 2 in Public Management from Paris-Dauphine University in partnership with ENA, Catherine Gallet-Rybak began her career in the Strategy Department at La Poste, followed by three years as a marketing and financial analyst at Hewlett-Packard in the UK, before becoming a consultant at BIPE in 2002.

In 2004, she joined Arcep as the head of the Authorisations and Universal postal service unit, before going on to head up the General authorisation, Security and Numbering unit.

Since June 2015, Catherine has been the Deputy Director of the Human resources, Administrative and Financial affairs Department.

Click to download the picture

Anne Laurent, Director of Mobile and Innovation

A graduate of the École Polytechnique et de Telecom ParisTech, Chief Engineer and graduate of the École des Mines, Anne Laurent began her career in 2005 as "Telecoms and audiovisual regulation" policy officer for the Ministry of Economy and Finance, at the Directorate General for Enterprise. In this capacity, she contributed to securing the assignment of a portion of the frequencies freed up by the end of analogue TV broadcasting to telecoms, and oversaw the implementation of the first action plan to develop broadband. In 2008, she headed up a new team devoted to the uses of digital technology. She introduced new actions in support of innovative digital applications and start-ups, and drafted the government report on net neutrality.

In 2010, she joined the cabinet of Ms Kosciusko-Morizet, then Minister for Ecology, Sustainable Development, Transport and Housing, to oversee actions for the development of renewable energy sources and energy efficiency, and to prepare for climate negotiations.

She re-joined the Directorate General for Enterprise in 2012, where she became Cabinet director for the Director-General, and later Deputy Director for Europe and International Affairs - thereby expanding her expertise to include all of the issues surrounding business competitiveness and innovation - before coming to join Arcep.

Click to download the picture


Anne Lenfant is a civil administrator. After beginning her career at DGPT (Directorate-General of Posts and Telecommunications), she took charge of the Fixed Operators Unit when ART was created in early 1997, until 2000.

She was responsible for the regulation of occupational health at the Ministry of Social Affairs, then for Community and International issues, before joining ART on 13 October 2003 to head the International Division.

Click to download the picture


A graduate of the Ecole Polytechnique, Ensae ParisTech and Pompeu Fabra University in Barcelona, Stéphane Lhermitte began his career in 2002 as a research officer at France's national statistics office, INSEE, before becoming a research officer at ARCEP in 2005. He later became Head of the Fixed market regulation unit, then head of the Mobile market unit.

In 2008, Stéphane joined the National Treasury where he was in charge of the Office of Financial research, before being appointed Head of the Economic Department of the French Embassy to Portugal.

On 1 September 2014, Stéphane Lhermitte will take up the position of ARCEP's Director of Economic affairs and forward planning.

Click to download the picture


A graduate of the Ecole Polytechnique, and an engineer for bridges, waterways and forests, Guillaume Mellier began his career in 2005 as the head of the CETE de l'Ouest (now CEREMA) national support hub for digital regional development, in Nantes. Mr Mellier joined ARCEP in 2010 where he served, first, as the head of the Capacity and Fixed Telephony unit, and later as head of the Mobile Markets unit. In 2014, he was appointed Deputy Director of the Fixed Access and Local Authority Relations Department.

Last June ARCEP Chair, Sébastien Soriano, charged Mr Mellier with leading a cross-department task force on the Internet of the Things which was identified as one of the Authority's 12 priorities for 2016 - 2017, as part of its strategic review.

Guillaume Mellier will continue to head up this task force, in addition to assuming his functions as Director. 

Guillaume Mellier, age 36, will take up the position of Director of ARCEP's Fixed Access and Local Authority Relations Department on 7 March 2016.

Click to download
the picture

Elisabeth SUEL, Director of the Legal Affairs Department

With a post-graduate degree (DEA) in public law, and specialising in regulatory economics, Elisabeth Suel began her career as a university teacher-researcher.

After having served as a law clerk at the Conseil d'Etat, and later a policy officer in the legal department of broadcasting authority, CSA, Ms Suel joined Arcep in 2011 as a policy officer in the Legal Affairs department.

She then went on to head up the "Mobile market and scarce resources" unit, before becoming head of the "Infrastructure and open networks" unit and Deputy director of the Legal Affairs department.

She has been serving as Acting Director since January 2017.

Click to download the picture