She is a licensed psychologist and a board certified behavior analyst who holds a doctoral degree in experimental psychology from University of California, San Diego. She completed a post-doctoral fellowship in clinical child psychology at the Child Development and Rehabilitation Center at Oregon Health & Science University, during which time she served as the director of the Autism Treatment and Research Program at the Hearing and Speech Institute in Portland, OR. Dr. Ingersoll has conducted training for practitioners on early intervention strategies for children with ASD both nationally and internationally. She has published extensively on early intervention for children with ASD and presented her work at professional conferences.