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- Chair, Macbeth Award Committee
Intersociety Color Council
(1994, 1996)
- Member, Edgar Tillyer Award Committee
Optical Society of America,
(1997, 1999, 2001)
- Chair, Verriest Medal Committee
International Research Group on Colour Vision Deficiencies
(1997)
- Member, Verriest Medal Committee
International Colour Vision Society
(2001)
- Member, Fellows and Honorary
Members Committee
Optical Society of America
(1998)
- Chair, Godlove Award Committee
Intersociety Color Council
(1999, 2001, 2003) - Member, Edgar Tillyer Award Committee
Joel designing new optical equipment.