4th Edition Textbook
Click here to purchase the textbook. All future sales of the textbook Developmental Disabilities in Ontario 4th edition ISB
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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
Prioritizing & Planning for Person Centered Collaboration Models
Registration is NOW OPEN
35th Annual OADD Conference
To view the schedule and register for conference click here
OADD Research Group (RSIG)
OADD-RSIG registration is now open!
Changing and Growing: Where are we headed in Developmental Services?
May 9th, 2025 at Brock University
Click here for more information
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 will be held virtually on June 2nd 2025. <
Read moreNew Events Calendar
Looking for the date or more information about an event? Click the Events link at the top of the Home page for information or
Read moreCareer Scholarships for DSPs
8 Scholarships are available annually each spring. Deadline to apply is Feb. 1st