The management team

Corinne Lozé

Chief Executive Officer

Corinne Lozé joined the Orange Group in 2000, taking over as Director of, the Group’s innovative e-commerce entity, after which she became Director of Internet Innovation. In 2006, she moved into an international career as Digital Marketing Director for the Orange Group. In 2009, she founded then became CEO of Orange Star Africa, an Orange entity that develops international mobile topping-up services for African countries (where Orange operates) and a pan-African content portal. In 2014, she took over as CEO of Orange Centrafrique, now the No. 1 mobile company in the Central African Republic. In 2016, Corinne Lozé launched Orange Money, a money transfer solution for Orange mobile users in Central Africa. In this way, she created the conditions for the continued growth nurtured by her in the African subsidiary since 2014. Corinne Lozé became CEO of Orange Luxembourg on 1 February 2019.

Jeannot Grethen

Business development & Regulatory affairs Director

Jeannot Grethen has worked in the telecommunication industry during his whole professional career. In 1992 he joined CTTL Ericsson Luxembourg SA as a Sales Manager for telecommunication systems. As of January 2004 he is responsible for B2C sales, distribution and regulations at Orange Luxembourg. Since June 2013 Jeannot Grethen is in charge of developing new business opportunities in Luxembourg, but also regulatory affairs. It is also in charge of the program for the respect, protection and security of private data. He is part of the management team since 2009.


France-Diane Hardy

Customer Relationship Director

France-Diane is in charge of client relations at Orange Luxembourg since 2012, she heads customer care for private and business clients, technical backoffices and customer support activities. Previously France-Diane the B2B contact centre of Mobistar and Verizon Business (MCI WorldCom) in Belgium. With her 25-years experience collected in Sales, Marketing and Customer Care, for multi-nationals as for small and medium-sized businesses, France-Diane has explored all facets of the advertings (press, radio, display and production) and telecommunications. She entered the management team in April 2012.


Delphine Guilbert

HR Director

As a graduate in Human Resources and Labour Law in Lille and Paris, Delphine's goal is to contribute to the development of the company and its people, in the service of their project, their ambitions and sustainable performance. She began her career in the pharmaceutical sector at Alliance Santé. She then continued her professional career as HR Manager at Auchan in France and abroad (Luxembourg, Russia and Ukraine). In December 2019, Delphine became HR Director at Orange Luxembourg and therefore joined the management team.


Lionel Ferrant

Chief Financial Officer

Lionel started his career in auditing industrial and commercial companies at PwC where he worked for 10 years, first in France and then in Luxembourg. He was then in charge of the financial management of web startups for 8 years. These experiences enabled him to develop a cross-functional vision as well as a culture of figures and performance. In December 2020, Lionel joined the management team of Orange Luxembourg as CFO.



Claire Ledoux

Marketing Director

After almost 10 years in the Luxembourg Telecoms industry, Claire Ledoux joined the Orange team as Marketing Director in July 2020. With a strong experience in Customer Service and in the creation of offers, Claire puts the customer at the heart of Orange's marketing strategy. Acquiring customers, but not at any price: our offers and campaigns are aimed at customers that we are sure to satisfy 100%. Surrounded by a young and dynamic team, our objective is to offer ever more value to our customers, both Residential and Professional.


Jean-Christophe Bayet

IT & Network Director

Active in the world of telecommunications since 1996, networks and information systems are at the core of his know how. He has acquired a large operational and strategic experience at Mobistar's supervision centre for networks and services, as well as in Mobistar's engineering, datawarehouse and IT departments. With the gathered experience and a motivated team on which he can rely, he ambitions to reposition the Orange network and IT, the core of any Telecom operator, to ensure customer satisfaction. His motto is "Alone you go faster, together you go further". Jean-Christophe Bayet has joined the management team 1st March 2014.


Mustapha Rahem

Consumer market & online sales manager

Mustapha Rahem joined Orange in 2005. He participated in the development of the distribution logistics platform for Orange points of sale as well as partner and B2B customer points of sale. Thanks to this experience, Mustapha then managed the commercial relationship with our distribution partners Auchan, Mediamarkt, Darty, Cora and Delhaize. In 2014, he took over the commercial management of the entire B2C distribution network, partners and Orange shops. Since 2019, Mustapha is omnichannel B2C sales manager in charge of sales in physical and online distribution channels.