Fellowship in IASSID is granted to those recognized by peers in the International Association for the Scientific Study of Intellectual Disabilities for  outstanding contributions in the field of intellectual disabilities.

The following persons were elected to Fellow status by the IASSID General Assembly at its meeting in
Helsinki, Finland in 1996

• R.J. Andrews - Australia
• Masataka Arima -  Japan
• Adrian Ashman - Australia
• Bente Beck - Denmark
• M.J. Begab - U.S.A.
• J.M. Berg - Canada
• Alice Bernsen - Denmark
• Hans K. Blomquist - Sweden
• Nick Bouras United - Kingdom
• Bernabe Cantlon - Argentina
• Maria Cerna - Rep. Of Czechoslovakia
• A.D.B. Clarke - United Kingdom
• Renato Cocchi - Italy
• Kenneth Day - United Kingdom
• Coen de Jong - The Netherlands
• Terrence R. Dolan - U.S.A.
• Annalise Dupont - Denmark
• William Fraser - Wales
• Josef Jancar - United Kingdom
• Matthew Janicki - U.S.A.
• Stephen Kealy - Ireland
• Marty Krauss - U.S.A.
• J.G.R. Kromberg - South America
• Hiroshi Kurita - Japan
• Sharon Ramey - U.S.A.
• Martha Lieberhoff - Argentina
• Paula Maatta - Finland
• Ghislain Magerotte - Belgium
• Leena Matikka - Finland
• Hugo Moser - U.S.A.
• Michael Mulcahy - Ireland
• Gerhard Neuhauser - Germany
• Trevor Parmenter - Australia
• David Primrose - United Kingdom
• Marcia Rioux - Canada
• Neil Ross - France
• G. Rossato - Italy
• Sasumu Sato - Japan
• Akihiko Takahashi - Japan
• Yoshikazue Tomiyasu - Japan
• Gijs van Gemert - The Netherlands
• Tien Miau Wang - Taiwan
• Yv Wily - New Zealand
• Jacek Zaremba - Poland
• Edward Ziegler - U.S.A.

The following persons were elected to Fellow status by the IASSID General Assembly at its meeting in
Seattle, Washington USA in 2000.

• Mark Bradshaw - England
• Kurt Forrest Bennet - U.S.A.
• Ivan Brown - Canada
• Roy Brown - Canada
• Helen Beange - Australia
• Heleen Evenhuis - The Netherlands
• David Felce - England
• Bengt Hagstrom - Sweden
• Helena Hiila - Finland
• James Hogg - Scotland
• Anthony Holland - England
• John Jacobson - U.S.A.
• Laurence Kebbon - Sweden
• Henny Lanteman de Valk - The Netherlands
• Travis Thompson - U.S.A.
• Kuo-yu Wang - Taiwan
• Philip W. Davidson - U.S.A.
• Michael Guralnick - U.S.A.
• Randi Haggerman - U.S.A.
• Tamar Heller - U.S.A.
• Matti Livanainen - Finland
• David Mank - U.S.A.
• Jan Francois Mattei - France
• Peter Mitler - England
• Thomas Mutters - Germany
• Patricia Noonan Walsh - Ireland
• Craig Ramey - U.S.A.
• Louis Rowitz - U.S.A.
• Robert Schalock - U.S.A.
• Stephen Schroder - U.S.A.
• Robert Stodden - U.S.A.
• Ryo Takahashi - Japan
• Lilian Thorpe - Canada

The following persons were elected to Fellow status by the IASSID General Assembly at its meeting in
Montpellier, France in 2004.

• Giorgio Albertini - Italy
• David Allen - UK
• Charles Aussilloux - France
• Steve Beyer - UK
• Jan Blacher - USA
• Tim Booth - UK
• Janis Chadsey - USA
• Arthur Dalton - USA
• Eric Emerson - UK
• Richard Hastings - UK
• Chris Hatton - UK
• Susan Hayes - Australia
• Meindert Haveman - Netherlands
• Mike Kerr - UK
• Bill Lindsay - UK
• Maria Malbran - Argentina
• Roy McConkey - UK
• Glynis Murphy - UK
• Han Nakken - Netherlands
• Vee Prasher - UK
• Hans Reinders - Netherlands
• Marsha Seltzer - USA
• Wayne Silverman - USA
• Harvey Switzky - USA
• Ryo Takahashi - Japan
• Stuart Todd - UK
• Jan Tossebro - Norway
• Rannveig Trausadottir - Iceland
• John Tsiouris - USA
• Carla Vlaskamp - Netherlands
• Warren Zigman - USA

The following persons were elected to Fellow status by the IASSID General Assembly at its meeting in
Cape Town, South Africa, in 2008

• Roger Stancliffe - Australia
• Robyn Anne Wallace - Australia
• Chris Conliffe Northern - Ireland