College of Education and Professional Studies


All supervisors in the UCO Psychology Clinic are full-time faculty who hold various types of licensure based on their expertise. Please click the links below to learn more about them.

Dr. Caleb Lack – UCO Psychology Clinic Director, Clinical Psychologist

Dr. Robert Doan – Counseling Psychologist

Dr. Janelle Grellner – Counseling Psychologist

Dr. Scott Singleton – School Psychologist and Board Certified Behavior Analyst

Dr. Lorraine Youll – Counseling Psychologist