Dr. Righellis is known as a leading orthodontist in the Bay Area. Dr. Righellis earned his Doctorate of Dental Surgery degree from UCLA and his Orthodontic Specialty Certification from UCSF. He currently serves as Associate Clinical Professor at UCSF School of Dentistry. He also has lectured for orthodontic programs at Harvard University, Boston University, Arizona School of Dentistry, University of Colorado, and University of North Carolina. He is on the FACE (Functional and Cosmetic Excellence) international teaching faculty who teach other orthodontists around the world.

Dr. Righellis is board certified by the American Board of Orthodontics and maintains memberships in the American and California Dental Associations and the Alameda County Dental Society (Past President). He is also the leader of the Spears Study Club and an active member of several aesthetic dentistry and dental implantology study clubs.

In addition to lecturing on the national and international levels, Dr. Righellis has authored over 40 orthodontic journal articles and serves on Editorial Review Board for the American Journal of Orthodontics and Dentofacial Orthopedics. Dr. Righellis and his family enjoy many outdoor activities including stand up paddle boarding, snow and water skiing.