jean-pierre demailly (25 september 1957 – 17 march 2022) was a french mathematician. he worked in complex geometry. he was a professor at université grenoble alpes. he was a permanent member of the french academy of sciences, elected in 2007. he was the editor-in-chief of the "annales de l'institut fourier" from 1998 to 2006 and the editor-in-chief of "comptes rendus mathématique" from 2010 to 2015.