Claude has a rich and diversified background. He graduated from the French National School of Civil Aviation as an engineer at the Commissariat à l'Energie Atomique before moving to CERN in 1964. He rose in responsibilities to become head of General Services and deputy to the Technical Director.
Wanting to have a precise map of all the buildings on the CERN grounds, he invented the first 3D representation software for buildings, which was later used by all architects. At CERN, he says, "I still do a lot of things that my colleagues use every day without knowing it. He often laughs about it.
Claude is also the founder of Mistral Engines SA and co-founder of the International Thorium Energy Committee. He has also taught as an adjunct professor at the University of California at San Diego, the Massachusetts Institute of Technology, Vanderbilt University and the Center for Advanced Science and Technology in Beijing.
When he has some time left, Claude flies more than 200 different types of aircraft from the smallest to the Hercules C-130, including turboprops, turbojets, etc... He has flown across the North and South Atlantic and the funniest part, according to him "was flying a small single-engine piston aircraft from West Anchorage to Geneva in 1987 with astro navigation because GPS did not exist..." A little closer to the stars!