Who We Are. IAHD was founded in 1957 to provide compassionate support and services for individuals with developmental disabilities and their families. IAHD focuses on identifying each person's unique qualities and strengths, then finding ways of assisting them to build fulfilled lives. We are dedicated to seeing positive changes in the lives of those we help, which is why IAHD proudly attained accreditation by The Council on Quality and Leadershi...