Dr. Thierry Roudier was born in 1957, and started his thesis at the Pic du Midi Observatory in 1983 under the supervision of Richard Muller. He got the degree of Docteur en Astrophysique in 1986 and started his career as a solar physicist at the Centre National de la Recherche Scientifique (CNRS) the same year. He built the national solar data base BASS2000 in 1996 and contributed to the management and exploitation of the French solar telescope THEMIS. Thierry devoted 25 years to observations. He is the Research Director at the French National Centre for Scientific Research.