He obtained a doctorate "of 3rd cycle" from University of Paris XI and a Doctor of Philosophy from the University of Athens, where he was later a Lecturer and an Associate Professor (1982–1996).
In 2011, he was awarded the Ordre National du Merite. He has spent three years as a postdoc at the Fermi National Laboratory. He has also worked at European Organization of Nuclear Research, as a European Organization of Nuclear Research Fellow, European Organization of Nuclear Research Associate Scientist and European Organization of Nuclear Research Corresponding fellowship
He then moved to France to the Université de Lyon I Claude Bernard, as a Professor.
In 2002, he became Deputy Scientific Director of IN2P3/National Center for Scientific Research for the field of Neutrino and Astroparticle Physics (until 2012), transferring at the same time to the Université Paris VII Denis Diderot, where he is now Professor Exceptional Class. Since 2000, Katsanevas has had the following positions:
Director of the National Center for Scientific Research interdisciplinary program "Astroparticle Physics" (2002–2010)
Coordinator of the European Union funded agency consortium «AStroparticle Physics European Research Area NETwork (ASPERA)» (from 2006 to 2009 and deputy coordinator since)
Principal Investigator (in a total of 15) of the Institute for the Physics and Mathematics of the Universe at Tokyo (2007-today)
President of the council of the European Gravitation Observatory (EGO) host of the VIRGO gravitational wave antenna.
(2003–2008 and 2011-today)
Chairman of the Astroparticle Physics European Consortium (APPEC)
Steering Committee of AstroParticle Physics European Coordination (ApPEC)(2002-today)
AstroParticle Physics International Forum (APIF) of Organization of European Cooperation and Development (2010-today)
European Strategy Group as representative of APPEC (2011–2013)
European Organization of Nuclear Research Super Proton Synchrotron (The Smart Grid Power Systems) Committee (SPSC) (2008–2010)
PaNAGIC (Particle and Nuclear Astrophysics and Gravitation International Committee) astroparticle coordination - International Union of Pure and Applied Physics working group (2005-today)
Evaluation Committee for Space Research and Exploration and Inter-Organism Committee of Centre National d'Etudes Spatiales (National Centre of Space Studies, France) (2002-today)
Scientific council (chairman) of IFAE/Barcelona (2009-today)
Theory of strong interactions (Quantum Chromodynamics, QCD) (1977–1986)
Search and discovery of new particle resonances including charm quarks, photoproduction experiment WA4 at European Organization of Nuclear Research (1977-1979)
Tests of QCD through the study of DRELL-Yan pairs and J/y resonances in nuclear targets with antiproton and pion beams, experiment E537 at Fermilab (1979-1982)
Search for quark-gluon plasma transition, experiment R807-808 at European Organization of Nuclear Research (1983-1986)
Standard model of weak and electromagnetic interactions (1986–2000)
Study of the standard model of electro-weak interactions and supersymmetry: experiment DELPHI of the Large Electron Positron (LEP) collider. Phenomenological studies of supersymmetry: Monte Carlo generator SUSYGEN and computing of higher order cross sections
Neutrino and Astroparticle Physics (1983–2002)
Neutrino oscillations, experiment PS180 at European Organization of Nuclear Research (1983-1986)
High Energy neutrino telescopes, NESTOR in Pylos/Greece (1992-1996)
Neutrino oscillations, long baseline experiment European Organization of Nuclear Research-Gran Sasso OPERA (1998-2002)
DACQ for Positron Emitting Tomography ( Positron Emission Tomography) Scanners (co-holder of a patent)
Innovative high sensibility photodetectors with high space and time resolution.
He has also been a member of the following committees:.