Group research leader National Institute Research in Dairying, Reading, United Kingdom, 1970-1979. Biotechnology programme manager National Institute Research in Dairying/Institute Food Research, 1979-1987. Designate head Dairy Research Institute Commonwealth Science and Industrial Research Organization, Melbourne, Australia, 1991.
Head department biotechnology and encymology Institute Food Research, Reading/Norwich, 1987-1995, deputy director, 1990-1995. Consultant Quo-Tec Consultant, London, since 1992. Science consultant Chr.
Hansen's Laboratory Plc, Copenhagen, since 1986. Science consultant DRDC, Melbourne, Australia, since 1995.
1970 - 1979
1979 - 1987
1987 - 1995