Scientific phases (Since 2000)
1) 1998-2016: DO experiment for the Tevatron Run II. Calorimetry. Top and Higgs Physics.
2) 2014-202x: ATLAS Run II and beyond. Observation of VH and Higgs to bb. Search for HH to  bbtautau production.
3) 2018-202x: Future colliders, in particular FCC feasibility study and rECFA French representative

Scientific Leadership (since 2000)
2001-2004: Convener in the DO expt. of “Jets and missing transverse energy” & ”Calorimeter Algorithms” groups
2004-2007: Convener in the DO expt. of the working group on the “Higgs boson search” (80 physicists).
2005-2009: Coordinator of the Tevatron-New Phenomena-Higgs working group (combined CDF-DO searches).
2009-2011: Physics coordinator of the DO experiment (six physics groups with a total of 200 physicists).                    
2011-2014: Spokesperson of the DO experiment (500 physicists).

Research Management  (since 2000)
2000-2016 : Leadership of the DO-LPNHE-Paris group    
2006-2010:  Member of the LPNHE-Paris Scientific Council
2008-2011:  Project leader of DO-IN2P3  (7 laboratories, 40 physicists)
2015-2019:  Director of the LPNHE Lab (150 physicists, engineers, technicians on HEP, Astroparticle & Cosmology). 
2020-2025: Project leader for the Future Circular Collider (FCC) at IN2P3 (11 Labs, 45 Physicists)

Other Activities (since 2000)
-    Member of the Particle Data Group (PDG) (2008-2013), Higgs section.
-    Co-Chair / founding member of the yearly Higgs Hunting workshop (2011-present)
-    Co-PI of a IN2P3-Russia (IHEP Protvino) project on Higgs searches at the Tevatron  (2011-2014). 
-    Co-Chair / founding member of the yearly LHCP conference (2013-2016). IAC member (2017-2022)
-    Co-PI of a LPNHE-Paris/SJTU-Shanghai project on the search for double Higgs production (2020-2024).
-    Member of the Plenary ECFA (2018-2024). French representative at Restricted ECFA (2023-2026)