Expert Portraits

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Portrait Régis VIONNET – Head of the Customer Experience Performance Department
Régis VIONNET is Head of the Customer Experience Performance Department within DGII-DTR-PACTE SNCF Réseau
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Portrait Christophe ETIENNE – Deputy Manager
Christophe ETIENNE is Deputy Manager at the Measurement & Testing Agency (AME) SNCF Réseau DGII-DTR
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Profile Romain HIRON – Head of Mechanical Division
Romain HIRON is the Head of Mechanical Division at Test & Measurement Laboratory (LEM) RATP.
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Profile Kaotare ELKILANI – Senior Lubricant Test and Evaluation Technician
Kaotare Elkilani is a senior test and laboratory technician in the lubricants sector at AEF SNCF VOYAGEURS INGÉNIERIE DU MATERIEL.
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Profile Franck POISSON – Administrator
Franck POISSON is administrator.  
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Profile Abraham BELKACEM – Testing Officer
Abraham is a Testing Officer and Technical Manager responsible for Air in the workplace at the Test and Measurement Laboratory (LEM), in the Physico-Chemical Centre. His work involves employees across all company sectors, testing the indoor air quality, ventilation and sanitization of work spaces and their exposure to chemical agents in the working environment.
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Profile Olivier GRASSIN – Testing Officer
Olivier has been a Testing Officer at the RATP Test and Measurement Laboratory for 10 years. He is one of 7 in the EMR team (measuring human exposure to electromagnetic fields and performing measurements on rolling stock) in the Electrical division.
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Kevin HEMERY – Reception and Delivery Manager
Reception and Delivery Manager at test train (TE) centre at the Railway Testing Agency.
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Jean-Michel BARRETEAU – Specialist Ingineer
Jean-Michel BARRETEAU works at the Metrology hub as a specialist engineer, at the Railway Testing Agency.
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Eric Combault – Team and Department Manager
Eric Combault has worked in the Electricity Division of the Test and Measurement Laboratory. He is the MLI Team Manager (Infrastructure and Laboratory Measurement).
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Julien Massy – Head of the Signalling Systems Section
Julien Massy has been Head of the Signalling Systems Section at DGII ME for 16 years. The section is responsible for track circuit and vehicle shunt drop tests and measurements on the French national rail network (RFN).
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Elena Chinnappa – Fire Testing Officer
Elena Chinnappa is Fire Test Officer at the Test and Measurement Laboratory. She is one of seven members of the FER (Fire, Expert Analysis and Coverings) team. She performs fire tests on materials and equipment used in the rail sector and oversees management of the measuring equipement used for the fire tests.
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Bastien Richard – Head of the Centre of Expertise in Non-Destructive Testing
Bastien Richard has been Head of the centre of expertise in Non-Destructive Testing (NDT) at AEF for ten years. With its team, Bastien conducts NDT inspection to determine the operational status of a component or structure without damaging it. NDT techniques are used to intervene at various levels: maintenance, supplier approval or even potential study. […]
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Romain Delettré – EMC Business Manager and Head of the SENTINEL Project
Romain Delettré joined SNCF Réseau in 2007. He deputy chief of the Electromagnetic compatibility division and in charge of the SENTINEL project at the Test and Measurement Department (DGII ME). Wearing two different hats, Romain organises its days with, for one part, the management and follow-up of EMC businesses and for another part he runs […]
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Benoît Dylewski – Test Engineer Metal Parts and Failure Analysis
Benoît Dylewski has worked as a Test Engineer at the Test and Measurement Laboratory (LEM) for four years and has headed the Expert Analysis and Monitoring Team of the Mechanical division since January 2020. Benoît’s team of eight, accredited in hardness testing, has three key functions: failure analysis, studies on metal parts and dimensional inspections […]
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