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Liz Perrett 

Executive Director 


Liz Perrett has over 10 years experience in the mental health and substance abuse recovery field. She has a passion for paving the way for others to achieve a successful life free of drugs and alcohol. Liz has served in various roles throughout her career including residential management and has served as Director of Admissions of a nationally renowned residential treatment facility. Through her compassionate leadership style and hands on approach, she is able to support NorthStar's clients to be the best and healthiest versions of themselves. Liz's expertise in leadership, staff development and operations creates a strong foundation to support the talented staff at NorthStar Clinical Services. 

Shirlee Jamison, 

Primary Therapist 


Shirlee earned her master’s degree in counseling with a specialization in addiction studies from Arizona State University in 2011. Over the years, she has cultivated expertise in assessing and treating individuals struggling with substance abuse. Her journey involves continuous learning, clinical experience, and dedication to the field of addiction. Armed with a comprehensive background in psychology and counseling, Shirlee’s career has been centered on helping individuals and their families navigate the complex terrain of addiction. From direct client interventions, fostering recovery, advocating for destigmatizing addiction in our society, and program development, her commitment to fostering recovery and supporting those in need has been unwavering. As a seasoned expert, she utilizes the latest research and therapeutic approaches from academia to provide effective and compassionate care at NorthStar clinical services. 


  • Undergraduate - University of Virginia

  • Doctorate - Wake Forest University

  • Residency - Family Medicine at the University of Michigan in Ann Arbor

  • Robert Woods Johnson Fellowship nominee

  • Recognized by American Medical Association for resident leadership

  • Awarded three National Committee for Quality Assurance certificates for quality care

Dr. Richard Wynn


Dr. Richard Wynn is recognized as an expert in management of diabetes, chronic pain, obesity, and is skilled in performing minor office surgeries. He has served as mentor and preceptor to many medical students and residents and serves as adjunct faculty in the Department of Family Medicine at UNC Chapel Hill.

Georgia Caldwell, MS, CADC



Georgia Caldwell has been a Certified Alcohol and Drug Counselor for 16 years. Georgia received her Bachelor’s Degree in Substance Abuse Counseling from St. Cloud State University and a Master’s in Fine Arts from the Academy of Art University. Georgia is currently pursuing her Masters in Mental Health Counseling. Georgia is passionate about providing individuals and families with the education, support, and resources to achieve their wellness goals. She believes co-occurring disorders not only affect the quality of life of the individual but also family and friends. Georgia is dedicated to a holistic approach to serving individuals and families.  

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