Developmental Disabilities in Ontario - 4th Edition Textbook
OADD no longer sells this book: All future sales of the textbook Development
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DSSIG
Developmental Services Special Interest Group
DSSIG is collaborating with other sector groups to create a DSP Association.
If you are interested in finding out more contact us at: oadd@oadd.org
2026 Unlocked - Registration Open
Registration is now Open – Early-bird rate valid to Jan 15 2026
To register click here
Don’t forget SCDSN! to register for that event click here
OADD Research Group (RSIG)
OADD-RSIG planning for 2026 is underway
Theme and Location to be determined
Projected date is May 8th 2026
More information to come!
The Ontario Association on Developmental Disabilities
OADD is a professional organization of people working and studying in the field of developmental disabilities, throughout Ontario. OADD’s members include agencies and organizations; university and community college students and instructors; service provider direct care staff and managers; family support workers; case managers; psychologists; social workers; and other dedicated individuals.
What's New
Annual General Meeting
The 2025 OADD Annual General meeting was held virtually on June 2nd 2025 from 12:30 to 1:00 p.m. 8 Scholarships are available annually each spring. Deadline to apply is Feb. 1st