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Assistant Professor: Dept. of Orthopaedic Surgery Rush Medical College, Chicago IL: 1992 - present
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Lecturer, Dept. of Orthopaedic Surgery University of Illinois College of Medicine, Chicago IL 1992 - present
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Assistant Professor: Dept. of Orthopaedic Surgery St. Louis University, St. Louis MO 1990-1992
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Assistant Professor: Westside Veterans Hospital Chicago, IL 1988-1990
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Assistant Professor: Dept. of Orthopaedic Surgery University of Illinois, Chicago IL 1988-1990
Professional Appointments
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Chief, Section of Spinal Surgery: Division of Orthopaedic Surgery,Cook County Hospital, Chicago IL 1988 - present
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Director, Spine Surgery Service: Dept. of Orthopaedic Surgery,Cardinal Glennon Children's Hospital, St. Louis MO 1990-1992
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Section Chief: Pedatric Orthopaedics: Division of Orthopaedic Surgery Cook County Hospital, Chicago IL 1994-1999
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Chief of Pediatric Orthopaedics Hope Children's Hospital, Oak Lawn, IL.