The AAIDD Definition Manual is written by the following 18 members who belong to the Terminology and Classification Committee of the Association:
Robert L. Schalock, PhD, Chair
Professor Emeritus and former Chair
Department of Psychology
Hastings College, Nebraska
Sharon A. Borthwick-Duffy, PhD
Professor
Graduate School of Education
University of California, Riverside
Valerie J. Bradley, MA
President
Human Services Research Institute
Cambridge, Massachusetts
Wil H.E. Buntinx, PhD
Professor
Maastricht University
The Netherlands
David L. Coulter, MD.
Department of Neurology
Harvard Medical School
Boston, Massachusetts
Ellis M. (Pat) Craig, PhD
Psychologist
Texas Department of Mental Health and Mental Retardation
Austin, Texas
Sharon C. Gomez, FAAIDD
Evergreen Presbyterian Ministries, Inc.
Lake Charles, Louisiana
Yves Lachapelle, PhD
University of Quebec at Trois-Rivières
Department of Psychoeducation
Quebec, Canada
Ruth Luckasson, JD
Distinguished Professor/Regents' Professor and Professor of Special Education
University of New Mexico
Albuquerque, New Mexico
Alya Reeve, MD
Associate Professor
Department of Psychiatry
University of New Mexico
Albuquerque, New Mexico
Karrie A. Shogren, PhD
Assistant Professor of Special Education
The University of Illinois
Champaign, Illinois
Martha E. Snell, PhD
Professor of Special Education
University of Virginia
Charlottesville, Virginia
Scott Spreat, EdD
Woods Services Incorporated
Langhorne, Pennsylvania
Marc J. Tassé, PhD
Director, Nisonger Center
Professor, Department of Psychology
The Ohio State University
Columbus, Ohio
James R. Thompson, PhD
Professor
Department of Special Education
Illinois State University
Normal, Illinois
Miguel A. Verdugo-Alonso, PhD
Professor
Universidad de Salamanca, Psicología
Instituto de Integración en la Comunidad
Salamanca, Spain
Michael L. Wehmeyer, PhD
Department of Special Education
Kansas University Center on Developmental Disabilities
University of Kansas
Lawrence, Kansas
Mark H. Yeager, PhD
Executive Director, TEAAM
Clinical Director, The Yeager Group
Mize, Mississippi