Born in 1966, Christophe Sauty entered the Ecole Normale de Saint Cloud in 1986. After obtaining a PhD in Astrophysics at the University Paris 7 under the supervision of Kanaris Tsinganos and Jean Heyvaerts in 1993, he was appointed Maître de Conférences at this same University. He is Professor at Paris Observatory since 2005. Christophe Sauty works in the field of accelerated magnetohydrodynamical flows applied to winds, jets and accretion. He started studying the Solar Wind and physics of the corona, rapidly moving to young stellars, extragalactic and relativistic flows.