Laurent Percebois joined ENTSOG in 2015 and works in the Market Business Area, with a focus on transmission tariffs and the European Tariff Network Code (TAR NC). His other areas of activity include regulatory economics in the context of decarbonization, transition to hydrogen, and the reform of the electricity market in Europe. He has a background of more than 15 years in the gas industry. He completed his PhD in Economics at the University of Paris 1 Pantheon-Sorbonne in 2006, where he held a 5-year teaching and research position in the Economics department. After an experience in a consultancy, in 2008 he joined Gaz de France (now ENGIE). There he held several positions: first as a Research Engineer working on the economics of supply with a focus on the British market, then as an Analyst developing benchmarking studies on infrastructure regulation in Europe, and later as a Strategy and Markets Analyst specialising on European network codes. Then, he worked on European affairs for GRTgaz, the gas transmission subsidiary of ENGIE, where his tasks mostly covered network codes, and he later joined ENTSOG.