Katherine Hadley Cornell, PsyD

Psychologist; Lead Supervisor of Therapy and Discharge Coordination, The Retreat by Sheppard Pratt


  • Psychotherapy
  • Psychological Assessments

Dr. Katherine Hadley Cornell is a licensed clinical psychologist at The Retreat by Sheppard Pratt. She received her bachelor’s degree from Williams College, her master’s from Boston University, and her doctorate in psychology from Loyola University in Maryland in 2009. She has worked with children, adolescents, adults, couples, and families throughout her career. At Loyola University, she served as a clinical professor on the affiliate faculty and as assistant director of the Loyola Clinical Centers. Her extensive experience includes providing and supervising both psychotherapy and psychological assessment, teaching, and engaging in clinical research on grief, trauma, parenting, and more. Dr. Cornell is widely published in the mental health field.