Lars Stemmann defended his PhD thesis at the University of Pierre and Marie Curie (PARIS VI) in 1998.

From 1998 to 2003, he has held several positions, including research assistant and teacher at the IUFM of Nice (1998-2000), postdoctoral researcher at the University of Texas A & M (2000-2002) with George Jackson and project manager in a consulting company (2002-2003).

He has been associate professor from 2003 to 2012 at the University Pierre and Marie Curie (UPMC, Paris 6). In 2012, obtained a Chair from the CNRS and the University of Paris VI for a project based on using imaging systems to better understand pelagic ecosystems. In 2013, he was hired at Professor level at the University of Paris VI.

From 2014 to 2016 he was responsible for the team Processes in Pelagic Ecosystems (PEPS) and Villefranche Imaging Platform for Particles and Plankton (VIP3). He became Executive Director of the Observatory in 2016.

His research concerns functional biodiversity in marine ecosystems and it’s impact on biogeochemical cycles. The quality of my research led me to participate in many international and national projects. I produced 55 articles since 2000 in 15 leading journals. During the past years, I have hired , 3 technicians and 37 undergraduate students.

Every year, he participate to the Master program of UPMC with a minimum of 190 hours of lecture, among which half are given in English in the frame of the ERASMUS MUNDUS program.