Dr. Avidan is Professor of Neurology at UCLA where he serves as Director of the UCLA Sleep Disorders Center. He completed his Neurology Residency at the Georgetown University Medical Center, and Fellowship in Sleep Medicine at the Cleveland Clinic. He served as Visiting Professor of Neurology Education in the Department of Neurology at the Mayo Clinic College of Medicine in Rochester, MN, and was selected to receive the 2014 American Academy of Sleep Medicine (AASM) Excellence in Education Award, for career contributions to education in sleep medicine. Dr. Avidan has published over 100 manuscripts on sleep disorders and had co-authored several books with Dr. Meir Kryger (a giant in the field). He is a Diplomate of the American Board of Psychiatry and Neurology, the American Board of Sleep Medicine, and a Diplomate in the Specialty of Sleep Medicine by the American Board of Psychiatry and Neurology.

He is a Fellow of the American Academy of Neurology and the American Academy of Sleep Medicine.