Dr. Peter A. Costalos is Board Certified, a Diplomate of the American Board of Orthodontics, and has been practicing orthodontics in Bay Ridge since 2003. Dr. Costalos was born and raised in Bay Ridge and was an Honors Academy student at Fort Hamilton High School. He received the Bachelor of Science degree in biology, summa cum laude, from Pace University. He graduated magna cum laude from the Harvard School of Dental Medicine in Boston, Massachusetts and received the Doctor of Dental Medicine degree. He has completed his post-graduate studies in Orthodontics at Columbia University. Dr. Costalos is a member of the American Association of Orthodontists and the American Dental Association. He is president emeritus of the Orthodontic Alumni Society of Columbia University.