Bachelor of Science Geology and Chemistry, University of London, 1966. Master of Science Geochemistry, University of Leeds, England, 1967. Doctor of Philosophy Isotope geochemistry, University of Leeds, 1970.
Postdoctoral fellow & research associate University of Alberta, Edmonton, Canada, 1970—1973. Head, North American Electric Reliability Corporation stable isotope facility British Geological Survey, London, 1973—1983. Head, inorganic geochemistry group BP Research, Sunbury-on-Thames, England, 1983—1987, manager, geochemistry branch, 1987—1988, principal research associate, 1989—1995.
Coordinator, exploration corporation research programme BP Exploration, Sunbury-on-Thames, England, 1992—1995. Professor sedimentary geochemistry University Reading, England, 1988—1995, professor sedimentology, 1995—2005, professor emeritus, since 2005. Director Center Life Detection, lead scientist and group supervisor astrobiology research group National Aeronautics and Space Administration Jet Propulsion Laboratory, Caltech, Pasadena, since 2003.
Distinguished visiting scientist Ben-Gurion University, Israel, 2008. Distinguished visiting professor Institute de physique du Globe Paris, France, since 2009. General coordinator, geoscience II projects European Commission, Brussels, 1993—1997.
Geochemistry consultant BP Exploration, Sunbury-on-Thames, Middlesex, England, 1995—1997, Amoco (United Kingdom), London, 1996—1998. Distinguished visiting scientist National Aeronautics and Space Administration Jet Propulsion Laboratory, Caltech, Pasadena, California, 2001—2003, senior research scientist, 2004.
Fellow: Geological Society of London (science committee, awards committee, accreditation committee 1988—2002). Member: Geochem. Society, European Association of Geochemistry, International Association of Geochemistry, Society for Sedimentary Geology, American Geophysical Union, European Union of Geophysical Society (president 2001-2003), European Geophysical Society Union (founding co-president 2002-2003), Contaminated Land: Applications in Real Environments (member technical and research group since 2000), Institute of Petroleum (microbiology committee since 1998), Royal Institution (vice president 2001-2006, member council 2000-2006), Britannic Wine Club (vice-chair 2000).
Son of Simma and Alex Coleman, Joan Coleman (Stepmother). Married Fiz Marcus, May 20, 1973. Children: Claire Charlotte Alice, Rebecca Faye Maryse.