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SooMi Lee-Samuel, M.D., M.A. – Medical Director
Dr. Lee-Samuel is board certified in Adult Psychiatry, and Child and Adolescent Psychiatry. As the Medical Director, she manages medications and serves as an important member and leader of the multi-disciplinary treatment teams at Timberline Knolls. She works collaboratively with primary/family therapists, expressive therapists, nutritionists and other treatment team members, and assists in administrative duties on campus.
Prior to coming to Timberline Knolls, Dr. Lee-Samuel was affiliated with multiple inpatient psychiatric hospitals including Lakeshore Hospital, Provena Mercy, and Alexian Brothers. She had a private practice for several years and was an assistant professor at the University of Chicago. She also served as the Director of Psychiatric Services for DCFS of Illinois.
Dr. Lee-Samuel attended Wellesley College in Massachusetts, the University of Cincinnati College of Medicine and the University of Chicago Harris School of Public Policy. She is a member of the American Academy of Child and Adolescent Psychiatry.
Dr. Iyad Alkhouri, M.D. – Assistant Medical Director
Dr. Iyad Alkhouri, a psychiatrist who specializes in the fields of addiction, and child and adolescent psychiatry, serves as the Assistant Medical Director at Timberline Knolls. As such, he helps patients by evaluating their medical and psychosocial conditions, develops and implements treatment plans, including prescription of psychotropic medications, and monitors and evaluates treatment results.
Dr. Alkhouri, who served as medical director of the University of Michigan Addiction Treatment Services prior to arriving at Timberline Knolls, completed fellowships in addiction psychiatry at the University of Cincinnati and in child and adolescent psychiatry at the University of Michigan. He completed his residency at the University Of North Dakota and obtained his medical degree from the University of Syria in Damascus.
Roseann Rook, CADC – Clinical Addictions Specialist
As a Clinical Addictions Specialist, Roseann is responsible for conducting psycho-educational and process groups as well as providing individual counseling for addiction treatment including co-occurring disorders such as Eating Disorders and Mood Disorders at Timberline Knolls. She specializes in Process Addictions with a strong focus on Relationship Addictions.
Roseann was instrumental in the development of Timberline Knolls’ Addiction Program and the implementation of addressing Process Addictions into the curriculum. As a member of Timberline Knolls’ Clinical Development Institute, she has presented locally and at National conferences.
Roseann has worked in the addictions field for 23 years starting at Aunt Martha’s Youth Service as an addiction counselor moved on to counsel MISA clients at Grand Prairie Services followed by working for the YMCA Network for Counseling and Youth Development as an Addictions Counselor and Crisis worker. She returned to Grand Prairie Services for a brief stint to develop and implement an out-patient program before joining Timberline Knolls in 2006.
Megan Wilson, B.S., CADC – Addictions Program Coordinator
Megan facilitates psycho-educational group therapy, completes substance use assessments, and takes on the leadership role of the Addictions Specialist team. She also individually meets with residents to support a better understanding and application of 12 step.
Megan came to Timberline Knolls in 2013 as a Behavior Health Specialist, then became an Addictions Specialist. She received her Bachelor of Science Degree in psychology from Illinois State University.
Dr. Margaret Nagib, PsyD. – Faculty Lead, Timberline Knolls Clinical Development Institute (CDI)
Dr. Nagib is a clinical psychologist with Timberline Knolls Residential Treatment Center. She specializes in Christian counseling, inner healing and treating eating disorders, addiction, trauma, self-injury and mood disorders. For more than 18 years, she has provided individual, family and group therapy. She travels around the country as part of Timberline Knolls’ Clinical Development Institute training professionals and providing seminars for various organizations.
Dr. Nagib earned her undergraduate degree from Pace University in New York and her Masters and Doctorate in Clinical Psychology from Wheaton College in Illinois, where she also served as an adjunct graduate psychology professor. She held a similar role at Simpson University in California. She also attended two years at Bethel School of Supernatural Ministry.
Dr. Nagib is a member of the American Association of Christian Counselors, the Christian Association for Psychological Studies, The American Psychological Association, and is the Director of Professional Counselors for the International Bethel Sozo Organization.
This page was last reviewed by Jacquelyn Ekern on March 28, 2017.