Greg Tierney

About Greg Tierney


Dr. Greg Tierney is the Vice President of Clinical Operations for Rosecrance Inc. As a Licensed Clinical Psychologist, he came to Rosecrance with over 20 years of experience in direct service and clinical leadership. Prior experience in both direct service and leadership has included working with clients with substance use disorders and mental health disorders in residential, outpatient, in-home, and crisis treatment settings. Greg’s approach to serving clients is strongly focused on building confidence, understanding, and skills to successfully approach stressors in a manner that respects and rebuilds personal values. His approach to leadership is aimed at providing continual opportunity for professional growth and expertise to serve client welfare and support staff values for working in behavioral health.

Greg received a Bachelor of Science in psychology from the University of Illinois Urbana-Champaign, a master’s degree in community counseling from Loyola University Chicago, and his doctorate in counseling/clinical psychology from the University of North Dakota.