Jean Gabriel Trotignon
Senior research scientist, Laboratoire de Physique et Chimie de l'Environnement, Centre National de la Recherche Scientifique (CNRS), France

Born: 1949, in Oran, Algeria

PhD in physics, University of Orléans. Entered the Centre de Recherche en Physique de l'Environnement, a CNRS research lab in 1976, developing programs for analysing and interpreting geophysical data from the ISEE-1 spacecraft.

In 1984, he moved to the Laboratoire de Physique et Chimie de l'Environnement, in Orléans. Since then, he has been Co-Investigator for experiments on the Vega 1 and 2 missions to Comet Halley, then the Phobos 1 and 2 spacecraft, and for the WHISPER sounder on board ESA's Cluster satellites. In 1996, he became the Principal Investigator for the RPC/MIP of the Rosetta mission. In September 2007 he became Principal Investigator for WHISPER.

He is married to Christine, with three children. When time and weather allow, he enjoys walking, especially on Auvergne's volcanoes, skiing, and sailing in Brittany with his family.

PI for WBD