Arc of Westchester
Individual and Family ServicesNew York, United States501-1000 Employees
Arc of Westchester, based in Hawthorne, New York, is the region’s largest organization dedicated to supporting children, teens and adults with intellectual and developmental disabilities, including autism, and their families. It operates in the individual and family services sector, offering a broad range of programs and services to more than 2,000 individuals across Westchester County. A substantial staff supports these efforts, reflecting the organization’s scale and community presence. The organization’s mission aims to empower people with IDD to reach their potential by strengthening families and encouraging personal choices, abilities and interests, with a vision of fulfilled lives for these individuals. In 2026, the CEO Tibisay A. Guzmán received a Distinguished Leadership Award in recognition of leadership within the organization.