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Our Team

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MEET OUR TEAM


Karl Liebermann

Medical Director

Dr. Liebermann has been treating individuals with addictions since 2006 in both the inpatient and outpatient settings.  He has been Board Certified by the American Board of Addiction Medicine since 2012 and he has held a Certificate of Added Qualification in Addiction Medicine by the American Osteopathic Association since 2018. He is a member of the American Society of Addiction Medicine and the American Osteopathic Academy of Addiction Medicine. He also holds Board Certifications in Family Medicine and Neuromusculoskeletal Medicine (Osteopathic Manipulation).

Nabil Georges

Executive Director

Nabil is an experienced administrator with a proven track record, for over a decade, in mental health and substance abuse treatment. He believes in working in partnership with clients to help them utilize their strengths to sort out their challenges and achieve their goals. He understands how to move people through to advocacy and create a person-centered environment, utilizing relationship building techniques. Nabil is fluent in four languages (English, Arabic, French, and German) and possesses a sophisticated multicultural sensitivity and competency.

Ed Rosenthal

Clinical Director

Ed has over 20 years of experience working in the Substance Abuse / Mental Health field and is a specialist in Dual-Diagnosis treatment. He has many years of experience managing both inpatient as well as outpatient programs and is currently the Clinical Director at The Haven New England. Ed has developed a solid reputation in developing and supporting strong clinical staff where he has worked.

Minnie Kalkunte

Program Director

Minni has over 10 years of experience in leadership roles at psychiatric and substance use facilities, where she has supported program development and organizational objectives while ensuring that patient goals for recovery, stabilization and community integration are supported by appropriate services. She has received post graduate degrees in Neuroscience and Law from Harvard University. She uses her medical, public health and administrative skills to provide a present centered approach to improve patients’ current situation.