Glenn Roldan, B.S. RPSGT
Course Director
Glenn Roldan has over 20 years of experience in Sleep Disorders Medicine. He completed his Course in Clinical Polysomnography at the Stanford University School of Sleep Medicine in Palo Alto, California, in July 1988.

Glenn previously worked as the Education/Training Coordinator for the Atlanta School of Sleep Medicine where he was the first established instructor for this program. After moving back to California, he started the California Institute of Sleep Medicine and now has established the Global Sleep Institute. He currently serves as the Clinical Director for several sleep centers, gives lectures nationally and internationally, and is the VP of Clinical Operations for N2Sleep, LLC. He currently serves as the Clinical Director of United Sleep Centers in Antioch, California and Course Director of Global Sleep Institute in addition to serving as a Global Sleep Lecturer world wide.

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Marci Garcia, B.S., RPSGT
Marci Garcia is a seasoned practitioner with over 11 years of experience as a polysomnographic technologist. She is currently the Technical Director of the Redwood Sleep Center, a top quality facility in the San Francisco Bay Area that addresses the urgent need for patient-centered sleep medicine expertise.

Melissa Lim, M.D., D.ABSM
Medial Director
Melissa Lim is our Medical Director and is also a course instructor. She is the founder and Medical Director of the Redwood Sleep Center, a top quality facility in the San Francisco Bay Area that addresses the urgent need for patient-centered sleep medicine expertise.

An expert in pulmonary care and sleep medicine, she received her MD from the Ohio State University College of Medicine and completed her internship and residency in Internal Medicine at Boston City Hospital/Boston University. She completed her fellowship in Pulmonary and Critical Care Medicine at Johns Hopkins and the University of California, San
Francisco. In 2000, Dr. Lim joined the AASMaccredited
Sequoia Hospital Sleep Disorders Center. In 2003, she was certified by the American Board of Sleep Medicine.


Henry Raroque, Jr., M.D.

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Tiffany Bell, REEGT/RPSGT
- Double registered technologist with fourteen years experience in electroneurodiagnostics, 11 years experience in polysomnography and three years experience in management.

-3 years of managing sleep disorder centers and neurodiagnositc departments; including training physicians and technical staff on EEG and sleep software across the country.

View Tiffany's resume in pdf