British Medical Association. 1976

Royal Medico-Chirurgical Society of Glasgow. 1976

Member of Royal College of Physicians and Surgeons of Glasgow. 1979

Medical Research Society. 1981

International Society on Thrombosis and Haemostasis. 1981

British Society for Haemostasis and Thrombosis. 1981

Scottish Rheumatology Club. 1982

British Society for Rheumatology. 1984

Free Radical Society. 1984

Scottish Society for Experimental Medicine. 1984

Inflammatory Research Association. 1984

Forum on Angiology. 1987

Scottish Society of Physicians. 1987

SHARP (Scottish Heart and Arterial disease Risk Prevention). 1988

International Union of Angiology. 1990

International College of Angiology. 1992

Association of Physicians. 1996

Royal Academy of Medical Science. 1998

Harveian Society. 2001