Organization St Andrews University

Geological Museum (South Kensington, London)

Society of Renaissance Studies

Honourable Society of Cymmrodorion

Council for Curators of Dutch and Flemish Art

Association of Art Historians (1976-2003)

National Museum of Wales (Department of Art | curator)

Victoria and Albert Museum (senior curator | paintings)

Walker Art Gallery (Liverpool | assistant keeper of foreign art)

St. Norbert College

Columbus State University

Conception Seminary College

Royal Air Force Volunteer Reserve (pilot | 1975-1978)

Journal of Zoology (editor-in-chief | 2006-2008)

US Navy (Behavioral Response Study | chief scientist | 2007-2008)

Department for Environment, Food and Rural Affairs (DEFRA | chief scientific adviser | 2012-2019)

British Antarctic Survey (science programme director)

Campaign for Science and Engineering (trustee)

First Minister's Environment Council (co-chair)

Hebridean Trust (management council member for over twenty years)

Marine Alliance for Science and Technology for Scotland (MASTS | co-founder | acting director and chairman)

Natural Environment Research Council (Institute of Terrestrial Ecology | physiological ecologist | Sea Mammal Research Unit | director)

National Oceanography Centre (trustee)

Royal Society of Biology (president)

Science (Board of Reviewing Editors | member)

Scottish Science Advisory Council (member)

UK Research and Innovation (UKRI | board member)

UK Research Integrity Office (chair)

Royal Air Force

Sydney University (School of Chemistry | professor of pure and applied organic chemistry | 1912)

Manchester University (chair of organic chemistry | 1922-1928)

University College London (1928-1930)

Oxford University (Waynflete Professor of Chemistry | 1930)

Magdalen College, Oxford (fellow)

British Chess Federation (president | 1950-1953)

Tetrahedron (journal | co-founder | 1957)

Marseille Astrophysics Laboratory (1982-1987)

University of Canterbury (lecturer in astronomy | 1987-2006)

Royal Astronomical Society

International Astronomical Union

Royal Astronomical Society of New Zealand