John McEachin is a licensed psychologist who has been providing behavioral intervention to children with autism as well as adolescents and adults with a wide range of developmental disabilities for more than 35 years. He received his graduate training under Professor Ivar Lovaas at UCLA on the Young Autism Project. During his 11 years at UCLA, Dr. McEachin served in various roles including Clinic Supervisor, Research and Teaching Assistant, and Acting Director. His research has included the long-term follow-up study of young autistic children who received intensive behavioral treatment, which was published in 1993.

In 1994 he joined with Ron Leaf in forming Autism Partnership, which they co-direct. In 1999 they published A Work in Progress, a widely used behavioral treatment manual and curriculum for children with autism. Dr. McEachin has lectured throughout the world and co-authored numerous books and research articles. He consults regularly to families, agencies, and school districts, assisting in the development of treatment programs and providing training to parents, group home staff, and classroom personnel.