Jean-Christophe worked with
Jacques Cousteau on
Calypso and later was founder and manager of the Clinic for Oiled Sea Birds from 1978 supertanker wreck
Amoco Cadiz. From 1989 to 1994 he worked as a consultant for the United Nations Environment Program (UNEP) Industry Technology and Economics Office, in charge of technology, scientific and regulatory surveys worldwide. He was editor of the
OzonAction, an international newsletter where he collaborated with over 1000 private and public parties. From 1993 to 2021 Jean-Christophe was a manager at Environment International. The company specialized in
environmental forensics, consultancy and expertise, science and technology, regulations and standards, surveys, analysis, compliance, anticipation and management issues in various industries. The company dealt with pollution events, environmental impact, occupational and public exposures to the environment. Jean-Christophe was an expert witness in international legal cases and governmental enquiries (USA, Europe, Australia). ==Aerotoxic syndrome==