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Sleep Center Team
Our team of researchers and clinicians investigate sleep disorders in children with various high-risk conditions, utilizing many specialties such as psychology, respiratory care and biostatistics.
Leader
Christopher M. Cielo, DO
Assistant Professor of Pediatrics, Attending Physician
Dr. Cielo is a board-certified pediatric pulmonologist and sleep medicine physician with a background in clinical and translational research and the director of the CHOP Sleep Center. His research program is focused on improving the evaluation and management of obstructive sleep apnea in children through single-center and multi-site clinical trials and observational studies.
STAFF
RESEARCH STAFF
Mahalakshmi Somayaji, PhD
Scientist I
somayajim@chop.edu
Ruth Bradford
Clinical Research Coordinator III
bradford@chop.edu
267-426-5747
Ebere A. Uwah, MD
Clinical Research Coordinator III
uwahe@chop.edu
DOSASstudy@chop.edu
267-426-8552
Yaelis D. Roman Rosado, BS
Clinical Research Coordinator II
romanyd@chop.edu
215-590-9184
Emma J. Escobar, MBA
Informatics Program Manager
escobar@chop.edu
Michelle B. Ward, MSM, RRT-SDS, NPS, CPFT, RPSGT
Clinical Respiratory Specialist
wardmi@chop.edu
Nancy Lin, MD
Attending Physician
linny@chop.edu
Yolanda A. Yu, MD
Attending Physician
yuya@chop.edun
RESEARCH FACULTY
Melissa S. Xanthopoulos, PhD
Clinical Psychologist
Associate Professor, Clinical Psychiatry
Perelman School of Medicine
University of Pennsylvania
xanthop@chop.edu
Darko Stefanovski, PhD
Associate Professor of Biostatistics & Section Chief of Population Medicine
New Bolton Center, University of Pennsylvania School of Veterinary Medicine
Associate Professor of Pediatrics, Department of Pediatrics, Perelman School of Medicine
sdarko@vet.upenn.edu
Toshihiro Imamura, MD
Attending Physician Sleep Center, Children's Hospital of Philadelphia
Instructor, Division of Sleep Medicine, University of Pennsylvania
imamurat@chop.edu
toshihiro.imamura@pennmedicine.upenn.edu
Suzanne E. Beck, MD
Medical Director, Sleep Laboratory
Attending Pulmonologist
Professor of Clinical Pediatrics
Perelman School of Medicine, University of Pennsylvania
becksu@chop.edu