Sleep Medicine Fellowship Program

Andre U. Aguillon, M.D., FACP

Faculty Appointment:

Program Director, Sleep Medicine Fellowship (2018-Present)

Medical Director, The Regional Center for Sleep Medicine (2017-2020)

Founding Medical Director, UTMC Sleep Disorders Center (2023-Present)

Assistant Professor of Medicine

Degree:

MD: University of Toledo College of Medicine, Toledo, OH

Residency:

Internal Medicine: University of Toledo College of Medicine, Toledo, OH

Fellowship:

Sleep Medicine: University of Toledo College of Medicine & The Regional Center for Sleep Medicine, Toledo, OH

Board Certified:

Internal Medicine; Sleep Medicine

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Ragheb A. Assaly, M.D., DABSM

Faculty Appointments: 
Chief, Division of Pulmonary/Critical Care & Sleep Medicine
Vice Chair for Clinical Affairs, Department of Medicine
Program Director, Internal Medicine Residency
Professor of Medicine
Degree: 
MD: Cluj-Napoca University/Romania 
Residency: 
Internal Medicine: Augusta Victoria Hospital, Jerusalem
Internal Medicine: Makassed Hospital, Jerusalem
Internal Medicine: Case Western University, Cleveland, OH
D.C. General Hospital Grady Memorial Hospital, Atlanta, Georgia 
Board Certified:
Internal Medicine / Pulmonary and Critical Care Medicine / Sleep Medicine
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Elisabeth James, Ph.D., C-BSM, D-BSM

Faculty Appointment:
Clinical Instructor
Degree:
PhD: University of Toledo, Toledo, OH
Board Certified:
Behavioral Sleep Medicine – American Board of Sleep Medicine
Diplomate – Behavioral Sleep Medicine

Dan E. Olson, M.D., Ph.D., D.I.C.

Faculty Appointment:
Professor Emeritus of Medicine
Degree:
MD: University of Colorado School of Medicine, Denver, CO
DIC (Diploma of Imperial College): Imperial College of Science & Technology, London, England
PhD: University of London, London, England
Residency: 
Internal Medicine: Dartmouth-Hitchcock Medical Center Dartmouth Medical School, Hanover, NH
Fellowship:
Pulmonary/Critical Care - University of Colorado Medical School, Denver, CO 
Board Certified: 
Internal Medicine / Pulmonary and Critical Care Medicine / Sleep Medicine

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Youngsook Yoon, M.D., DABSM

Faculty Appointment: 
Professor of Medicine 
Degree: 
MD: University of Buenos Aires Medical School, Argentina, S.A. 
Residency: 
Internal Medicine: SUNY Downstate University, New York
Fellowship:
Pulmonary/Critical Care - SUNY Downstate University & New York Medical College, New York 
Board Certified: 
Internal Medicine / Sleep Medicine / Pulmonary and Critical Care Medicine 
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Ajaz Sheikh, M.D.

Faculty Appointment: 
Program Director, Clinical Neurophysiology Fellowship
Associate Professor

Degree:
MBBS: University of Kashmir, Government Medical College Srinagar, Srinagar, J&K, India 

Residency:
Psychiatry: University of Kashmir, Government Medical College Srinagar, Srinagar, J&K, India
Neurology: The University of Toledo College of Medicine, Toledo, OH 

Fellowship:
Clinical Neurophysiology/Epilepsy: University Hospitals Case Medical Center, Cleveland, OH
Sleep Medicine: Duke University Medical Center, Durham NC 

Board Certified:
Neurology, Clinical Neurophysiology, Advanced Central Clinical Neurophysiology with Added Competency in Intraoperative Monitoring, Epilepsy, Sleep Medicine

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Jeffrey R. Hammersley, M.D., DABSM

Faculty Appointments:
Program Director, Sleep Medicine Fellowship (2006-2018)
Professor Emeritus of Medicine
Degree: 
MD: Wayne State University School of Medicine 
Residency: 
Residency and Chief Residency in Internal Medicine Harper-Grace Hospital, Wayne State University, Detroit MI 
Board Certified:
Internal Medicine / Pulmonary and Critical Care Medicine / Sleep Medicine
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Joseph I. Shaffer, Ph.D., FAASM

Faculty Appointment: 
Adjunct Professor of Medicine
Director, The Regional Center for Sleep Medicine
Associate Director of Sleep Medicine Fellowship 
Degrees: 
PhD: Psychology, Temple University, Philadelphia, PA
MA: Psychology, Temple University, Philadelphia, PA
Board Certified: 
Sleep Medicine 

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