Dr. Mary O’Brian has worked in the field of special education for more than 35 years. Dr. O'Brian received her bachelor's and doctoral degrees in special education. She has worked with children with disabilities in school settings in various roles, including teacher, school psychologist, and special education administrator. She also worked with adults in vocational settings. She retired from Illinois State University in 2015 and has continued to work with children and families through consulting work and advocacy.