Direction

Dr Stéphane Gidenne, Director

Dr. Stéphane Gidenne holds a Doctor of Pharmacy degree from Claude Bernard University Lyon 1. He also holds a Specialized Studies Diploma (DES) in Medical Biology from Paris V University, a University Diploma in Tropical Medicine from Aix-Marseille University, a Master’s degree in Molecular and Cellular Endocrinology from Paris-Sud University, as well as an MBA from EM Lyon.

He began his career in 1994 with the French Army. Until 1998, he led the Department of Biochemistry and Toxicology at the Larrey Military Hospital in Toulouse. He then joined the military teaching hospitals in the Paris region (Val-de-Grâce, Percy, Bégin).

He was also seconded for one year to INSERM within Unit U135 of Bicêtre University Hospital. He subsequently participated in a NATO mission in Kosovo, where he supervised the laboratory and pharmacy of the Mitrovica Military Medical-Surgical Hospital.

In 2004, he took charge of the laboratory and pharmacy at Bouffard Military Hospital in Djibouti, where he notably focused on the fight against malaria and tuberculosis. He then continued his career in Metz as Head of the Hematology Department at Legouest Military Teaching Hospital.

In September 2008, he joined Ketterthill Laboratories as a biologist-pharmacist, in charge of the Microbiology Department. He became CEO in 2014, a position he held until February 2025. In parallel, from 2019 to 2024, he also directed Cerba Laboratories in Belgium.

During this period, he served as President of the Board of the Luxembourg Federation of Medical Analysis Laboratories (FLLAM) for over ten years, from 2014 to 2025.

In March 2025, Dr. Gidenne assumed his role as Director of the LNS. Drawing on his experience and commitment, he advocates a patient-centered vision, with the ambition to advance public health through a multidisciplinary, innovative, and open approach. Guided by strong human values, he prioritizes participatory and respectful management within a demanding but meaningful environment.

Safaâ Moujahid, Chief Financial and Administrative Officer

Safaâ Moujahid holds a degree in Biotechnology from Polytech Marseille and a diploma in Management and Strategy from KEDGE Business School. She previously worked for PwC, Deloitte and KPMG in Luxembourg as a consultant in the healthcare and public sectors.

As part of her assignments, Safaâ Moujahid worked on the development, structuring and implementation of strategic projects in Luxembourg. During the pandemic, Safaâ Moujahid was responsible for coordinating nationwide projects on behalf of the Health Directorate, such as managing the procurement of vaccines and medicines against COVID-19 in collaboration with the European Health Emergency Response and Preparedness Authority (HERA), and the Large Scale Testing programme.

Most recently, she was a director at PwC Switzerland, where she worked as an external consultant for one of the United Nations agencies on the definition of a global framework to strengthen the preparedness, response and resilience of health systems in the face of health emergencies.

In her role at LNS, Safaâ Moujahid is responsible for all financial and administrative aspects of LNS. In particular, she oversees the finance and purchasing department, human resources, risk management, legal affairs and the LNS’s infrastructure and logistics. She ensures that processes are optimised and that the resources allocated to the public institution are managed efficiently.

Dr Thomas Dentzer, Chief Operating Officer

A graduate of The Rockefeller University in New York (PhD in virology) and Albert-Ludwigs-Universität Freiburg im Breisgau in Germany (Master’s degree in biology), Dr Thomas Dentzer has extensive experience and expertise in the field of public health in Luxembourg.

Before joining LNS, he successively held the positions of postdoctoral researcher at the Luxembourg Institute of Health (LIH), consultant for Deloitte developing Healthcare & Life Sciences activities, head of the Life Sciences sector at the national innovation agency (Luxinnovation) in Luxembourg and at the same time director of the Luxembourg BioHealth Cluster. He has also worked for the Directorate of Health, where he was in charge of coordination, strategic development, digital health and international relations, and as a lecturer at the University of Luxembourg. During the pandemic, he was also responsible for national screening strategies.

At LNS, Thomas Dentzer is now in charge of operations, coordinating and supporting the main business processes of the departments making up the multi-disciplinary institute, with a focus on efficiency and performance. His remit also includes quality and IT. He encourages the implementation of digital approaches to improve both operational robustness and efficiency, while fostering a ‘digital culture’ and data-driven approach within LNS.

In addition to his activities at LNS, Thomas Dentzer is also active in organisations in the healthcare sector. In particular, he is co-leader of the National Task Force on Digital Health for Healthcare Transformation and a board member of the European Centre for Disease Prevention and Control (ECDC), the European Health Emergency Response and Preparedness Authority (HERA) and the Standing Committee of the WHO Europe Regional Committee (SCRC).