An award winning network of not-for-profit health and human services agencies for people with developmental and…More learning disabilities is located on the east side of Willis Avenue, between Jericho Turnpike and Old Country Road.</p> <p>The offices are housed in a long brown building along with a variety of other businesses.</p> <p>The mission of YAI is to build a brighter future for people with developmental and learning disabilities and their families. A comprehensive list of services for Long Islander residents include: information and referral, family support, service coordination, recreation and camping, day programs, employment training, job placement, residential options and home health care services.</p>