Skip to content Skip to footer

Clete A. Kushida, MD; PhD(Cochair)

Clete A. Kushida, MD, PhD, is a neurologist, division chief, and medical director of Stanford Sleep Medicine; associate chair and professor of psychiatry and behavioral sciences at the Stanford University Medical Center; and director of the Stanford Center for Human Sleep Research. He is the inaugural president of the World Sleep Society, past president of the World Sleep Federation, past president of the American Academy of Sleep Medicine, past president of the Associated Professional Sleep Societies Board of Directors, and founding president of the California Sleep Society.

Dr. Kushida has conducted basic and clinical sleep research since 1977 and served as principal investigator for numerous large, federally and industry-sponsored studies. He has authored or edited over 300 publications and nine books, including serving as editor-in-chief of the largest publication on the field of sleep to date—the Encyclopedia of Sleep (4 volumes, 429 chapters, 748 authors)—and editor-in-chief of Sleep Science and Practice. He is a past recipient of the highest professional awards in the field of sleep medicine: the American Academy of Sleep Medicine’s Nathaniel Kleitman Distinguished Service Award and the World Sleep Society’s Distinguished Service Award.

Cecilia Wu, MD (Cochair)

Dr. Wu is a board-certified anatomic, forensic, and cardiovascular pathologist. She received her medical doctorate from the University of Washington, completed a residency in anatomic and clinical pathology at the University of New Mexico, completed a subspecialty fellowship in forensic pathology at the Office of the Medical Investigator in Albuquerque, New Mexico, and completed another subspecialty fellowship in cardiovascular pathology in the Mayo Clinic Rochester, Minnesota.
Her research interests include medical education, sudden cardiac death, and genetic testing for inherited diseases.

Edward J. Zuckerberg, DDS, FAGD

Edward J. Zuckerberg, DDS, FAGD, is a 1978 graduate of the NYU College of Dentistry. He owned his own practices in Brooklyn and Dobbs Ferry, NY, from 1979 to 2013 and has always been an early adopter of technology, introducing his first PC in the office in 1986 and completely networking his home-based office with broadband access in 1996. Dr. Zuckerberg’s early adoption of technologies—including digital radiography, CAD/CAM, and the creation of a paperless office—caught the attention of industry leaders who enlisted him to lecture, write articles, and beta test new technologies. The advanced technology in the home inspired an interest in computers in his son, Mark, founder of Facebook,
With his wife of 42 years—Karen, a retired psychiatrist—he also has three daughters: Randi, former marketing director at Facebook and now CEO of Zuckerberg Media; Donna, who received her classics PhD at Princeton and is now an author and editor of the online publication Eidolon, featuring a modern way to write about the ancient world; and Arielle, who is a partner in a financial firm in San Francisco; as well as seven grandchildren.

Dr. Zuckerberg now regularly lectures nationally and internationally on technology integration, social media marketing, and online reputation management for dentists. He consults privately with dental practices and advises dental/medical technology startups, all while treating patients part time in Cupertino, CA. Dr. Zuckerberg authored the chapter on social media on the ADA’s recently released Practical Guide to Internet Marketing.

In 2021, Dr. Zuckerberg was named the chief dental officer for Keystone Bio, an early clinical-stage biopharmaceutical company dedicated to eradicating the known driver of inflammation and disease: porphyromonas gingivalis (Pg), which is present in the mouths of 50 percent of all adults. He also joined Revere Partners in early 2021, the first independent venture fund for oral health. Dr. Zuckerberg can be reached via his website: He also maintains two Facebook pages: one with tips for his colleagues on promoting their practices using social media to attract new patients and maintain and improve relationships with existing ones, and one for his patients.

Manisha Witmans, MD

Dr. Witmans is a graduate of the University of Saskatchewan and completed her medical degree with BSc Med with honors. Following residency and fellowship at the Alberta Children’s Hospital and the University of Calgary, she completed additional respirology and sleep medicine training at Children’s Hospital Los Angeles and Southern California, Keck School of Medicine.

She is board certified in sleep medicine, pediatric pulmonology, and pediatrics. She has an ABIM certification for sleep medicine.

Seth Heckman, MD

Dr. Heckman is a board-certified Obstetrician/Gynecologist and Sleep Medicine Specialist in Training at Oxford University. His diverse career has included clinical, administrative, and public health roles in government at both the provincial and federal level. He currently resides in Edmonton, Alberta where he maintains a private practice, does First Nations outreach, and is an Assistant Clinical Professor in the University of Alberta Department of Family Medicine.

Tammarie Heit, DDS

Dr. Tammarie Heit practices craniofacial sleep medicine and general dentistry in Edmonton, Canada. She began her healthcare career practicing as a nurse for 10 years and has now been a dentist for 25 years. In addition to general dentistry, she practices craniofacial sleep medicine integrating medical doctors and dentists. She is a regent board member of the International College of Craniomandibular Orthopedics and an integrated clinical advisor in the Vivos® Integrated Healthcare network.

Dr. Heit works with clinicians from all around the world to conduct research and develop clinical protocols for the treatment of craniofacial developmental deficiencies. This includes the treatment of sleep-disordered breathing and mild to moderate obstructive sleep apnea.

Jon Caulfield, DDS

Dr. Jon W. Caulfield owns and operates Epic Dentistry in Littleton, Colorado, where he focuses on treating patients with airway, sleep, and TMJ disorders. He has been fortunate to work alongside world leaders in neuromuscular occlusion, sleep, and airway improvement. He has been a Vivos Integrated Practice since 2010, is an employee of the Institute for Craniofacial Sleep Medicine, and is an integrated clinical advisor for Vivos Therapeutics.

Michael Gelb, DDS, MS

Dr. Michael Gelb is a highly rated author and speaker on TMJ, sleep apnea, sleep disorders, and chronic headache treatments. After graduating from Columbia University with a DDS degree, he received his MS degree at SUNY Buffalo in neuromuscular research. Dr.Gelb went on to become a clinical professor at NYU, where he directed the TMJ and orofacial pain program. Dr Gelb provides solutions for dentists to incorporate airway and sleep into their practices. He is also the cofounder of the Foundation of Airway Health and its Airway Summit. Dr.Gelb is the coauthor of GASP: Airway Health – The Hidden Path To Wellness and Functional Dental Medicine. He maintains a private practice in NYC and White Plains. He has pioneered airway-centric medical and dental education and developed the ACG™ Airway Centric® System, designed for work, play, and sleep.

Lindsay Williams, DDS

Dr. Lindsay Williams received her Doctorate of Dental Surgery at the University of Maryland and practiced general dentistry for eight years. Dr. Williams began treating her patients for sleep and airway and realized that this was her passion. Three years ago, she decided to hang up her drill and has been dedicated to solely treating patients for sleep and airway ever since. Dr. Williams works at the Vivos Center in Highlands Ranch, CO, treating both adults and children, and is an instructor at the Vivos Institute.