Jeffrey M. Dayno, M.D. is Executive Vice President and Chief Medical Officer for Harmony Biosciences. A nationally recognized expert in neuroscience, Dr. Dayno is currently responsible for managing research, development and medical and regulatory affairs for Harmony Biosciences.


He is a neurologist with 10 years of experience in clinical/academic medicine followed by over 20 years of experience in leadership roles at Merck & Co., Cephalon, and ViroPharma building and leading clinical, regulatory and medical affairs teams toward multiple NDA approvals and medical support of successful product launches.

Dr. Dayno has served as Principal Investigator on numerous clinical trials and published and lectured extensively on various topics in the field of Neurology, with a focus on stroke, sleep disorders, pain and migraine.  He has also served as a peer reviewer for several scientific neurology journals.

Dr. Dayno earned his medical degree from Temple University School of Medicine, did his residency training in Neurology at Temple University Hospital, and completed a fellowship in Stroke and Cerebrovascular Disorders in the Department of Neurology at Henry Ford Hospital.