Mary Dozier is Unidel Amy E. duPont Chair and Professor of Psychological and Brain Sciences at the University of Delaware in the United States. She has studied the development of young children in foster care and young children living with neglecting birth parents over the last 30 years, examining challenges in attachment and regulatory capabilities. Along with her graduate students and research team, she developed an intervention, Attachment and Biobehavioral Catch-up (ABC), for parents of vulnerable infants.