TASH is an international leader in disability advocacy, founded in 1975. Their mission is to promote human rights and inclusion for individuals with significant disabilities and support needs, particularly those vulnerable to segregation, abuse, neglect, and institutionalization. TASH works towards creating inclusive communities through various means, including advocacy, research, professional development, policy-making, and providing information and resources to parents, families, and self-advocates.

Their research-backed inclusive practices have demonstrated positive outcomes for all individuals. Governed by a board of directors and supported by a network of members, volunteers, committees, and chapter organizations, TASH boasts a diverse membership comprising researchers, professionals, direct service workers, family members, and individuals with disabilities. Together, they are dedicated to improving the lives of the people they advocate for.

TASH is a 501(c)(3) non-profit organization with an enduring commitment to equity, opportunity, and inclusion for people with disabilities, with a particular focus on those with the most significant support needs in the fields of education, employment, and community living