| 2013 | Professor Paul Losty | England | USA, Costa Rica, Belgium, Hong Kong | |
| 2013 | Professor Andrew Barbour | Australia | Japan, Korea, China, Italy, The Netherlands, England | |
| 2012 | Professor Calvin Coffey | Ireland | USA, Italy, Korea, England, Scotland | |
| 2011 | Prof. Paul Robert Vellacott Johnson | England | Japan, Switzerland, Canada, USA | |
| 2010 | Prof. Russell L. Gruen | Australia | USA, Canada | Report |
| 2009 | Dr. Desmond Winter | Ireland | USA, Denmark, The Netherlands, Switzerland, England | Report |
| 2009 | Dr. G. Bruce Mann | Australia | USA, Scotland, Ireland, Japan | Report |
| 2008 | Dr. Stephen Wigmore | Scotland | Canada, USA, Singapore, Australia | Report |
| 2007 | Dr. Ronnie T.P. Poon | Hong Kong | USA, Canada, France, UK | Report |
| 2007 | Mr. Dileep Lobo | England | USA | Report |
| 2006 | Prof. David Watson | Australia | Austria, UK, USA | Report |
| 2006 | Prof. Ajay K. Kakkar | England | USA | Report |
| 2005 | Prof. Alastair M. Thompson | Scotland | USA, Australia | |
| 2005 | Mr. Arnie D.K. Hill | Ireland | USA, Australia | |
| 2004 | Mr. Rowan W. Parks | Scotland | USA, South Africa, Hong Kong, China | |
| 2003 | Mr. Keith R.T. Gardiner | Northern Ireland | USA, Canada | |
| 2002 | Prof. Chung-Mau Lo | Hong Kong | USA, France, England, Scotland, Germany | |
| 2002 | Prof. Michael J. Kerin | Ireland | USA, Canada | |
| 2001 | Prof. Gordon L. Carlson | England | USA, Canada | |
| 2000 | Prof. Andrew Bradbury | England | USA, Brazil, South Africa | |
| 2000 | Mr. Peter R.T. Taylor | England | USA, Australia | |
| 1999 | Prof. Guy Maddern | Australia | USA, UK, Switzerland, Spain | |
| 1999 | Prof. Ara Darzi | England | USA | |
| 1998 | Miss Linda J. Hands | England | USA, Canada | |
| 1997 | Prof. John R.T. Monson | England | USA | |
| 1997 | Dr. David Gotley | Australia | Mexico, Canada, UK, Aire, Hong Kong | |
| 1997 | Prof. Kenneth C.H. Fearon | Scotland | USA | |
| 1996 | Mr. James G. Geraghty | Ireland | USA | |
| 1995 | Prof. Derek Alderson | England | Australasia, Hong Kong, Japan | |
| 1994 | Prof. O. James Garden | Scotland | USA, Australasia | |
| 1994 | Dr. Edward C.S. Lai | Hong Kong | USA, UK | |
| 1993 | Mr. Jack Collin | England | USA | |
| 1992 | Prof. Thomas A.J. Lennard | England | Hong Kong, China, Australia | |
| 1991 | Prof. Timothy Cooke | Scotland | USA, Europe | |
| 1990 | Prof. John M. Fitzpatrick | Ireland | USA | |
| 1989 | Prof. Robert E. Mansel | Wales | USA, Australia, Hong Kong, New Zealand | |
| 1988 | Prof. Richard F.M. Wood | England | USA, Canada, Germany | |
| 1988 | Prof. John H. Boey | Hong Kong | USA, England, Scotland | |
| 1987 | Dr. Anthony Watson | England | USA, Canada, Australia, Hong Kong | |
| 1987 | Dr. Russell W. Strong | Australia | USA, UK | |
| 1984 | Dr. John R.T. Farndon | England | USA | |
| 1983 | Mr. Aires A.B. Barros D'sa | Northern Ireland | USA, Australia, Hong Kong | |
| 1982 | Prof. Niall O'Higgins | Ireland | USA, Canada | |
| 1982 | Prof. R.C.G. Russell | England | India | |
| 1982 | Prof. Graham L. Hill | New Zealand | USA, Canada | |
| 1981 | Prof. T. Vincent Taylor | England | USA | |
| 1980 | Prof. Anthony E. B. Giddings | England | USA | |
| 1979 | Mr. Roger O. Quin | Scotland | USA, Canada | |
| 1979 | Prof. Alan G. Johnson | England | USA | |
| 1977 | Prof. George W. Johnston | Ireland | USA, Canada | |
| 1977 | Prof. Thomas Hennessy | Ireland | USA, Canada | |
| 1976 | John McFarland | England | Asia | |
| 1976 | Prof. Goran Claes | Sweden | USA | |
| 1975 | Dr. W.A.A.G. Macbeth | New Zealand | USA, Canada | |
| 1975 | Sir David Carter | Scotland | USA, Canada | |
| 1973 | Mr. Donald G. Macleish | Australia | USA, Canada | |
| 1973 | Dr. J. Ian Burns | England | USA, Canada | |
| 1972 | Dr. Forrest C. Eggleston | India | USA, Canada | |
| 1971 | Prof. John D.B. Griffiths | England | USA, Canada | |
| 1970 | Prof. Alan M. Clarke | New Zealand | USA, Canada | |
| 1969 | Dr. Henry Ingvar Tankel | Scotland | USA, Canada | |
| 1969 | Prof. Goran Ingvar Lundh | Sweden | USA | |
| 1969 | Prof. A. Ingvar Beller | Israel | USA, Canada | |
| 1967 | Dr. Hilary J.S. Wade | Wales | USA, Canada | |
| 1966 | Dr. David S. Cole | New Zealand | USA, Canada | |
| 1966 | Prof. Frank Bergan | Norway | USA | |
| 1965 | Dr. Mogens Andreassen | Denmark | USA | |
| 1964 | Dr. David Cummack | Scotland | USA | |
| 1963 | Sir Edward Tuckwell | England | USA, Canada | |
| 1963 | Dr. Adam N. Smith | Scotland | USA, Canada | |
| 1963 | Dr. Victor Riddell | England | India | |
| 1963 | Dr. Terence Kennedy | Ireland | USA | |
| 1962 | Dr. Eoin O'Malley | Ireland | USA | |
| 1961 | Dr. Edward Muir | England | USA, Canada | |
| 1961 | Dr. J.J. Mason Brown | Scotland | USA, Canada | |
