Erin Booker, LPC

Executive Director, Mirmont Treatment Center

Erin Booker serves as the Executive Director of Mirmont Treatment Center for Main Line Health. Erin, who has more than 20 years of experience in behavioral health integration, joined the System in 2025.

As the Executive Director of Mirmont Treatment Center, Erin leads the strategic planning, development and growth of inpatient and outpatient programs, as well as the financial, administrative and clinical operations that drive organizational success.

Erin has a reputation for being a dynamic and progressive leader with a proven ability to build partnerships that drive meaningful change. She has been recognized for her effectiveness in working with healthcare, government and community partners.

Before joining Main Line Health, Erin served as the Chief Biopsychosocial Officer at ChristianaCare, where she implemented population health strategies to reduce disease incidence and improve outcomes through addressing health disparities. She also led the organization’s behavioral health strategy and advanced innovative care delivery models across four states.

Erin held numerous progressive roles at ChristianaCare over a decade-long career with the system. Prior to her role as Chief Biopsychosocial Officer, she served as the Vice President of Behavioral Health and Social Care Integration and Medical Group Operations.

Erin earned a Master of Science in mental health counseling from Nova Southeastern University and a Bachelor of Science in psychology from Utica College of Syracuse University.