Sir James Michael Dunbar was born in Maryland, USA, where he grew up with a strong focus on academics and service. He pursued his higher education at the University of Maryland at College Park, where he earned a Bachelor of Science in Biochemistry. After completing his undergraduate studies, Sir James continued his education at the University of Maryland Dental School, earning his Doctor of Dental Surgery (DDS) degree.

With a desire to further his expertise, Sir James entered the United States Air Force and completed a General Practice Residency. His career in the U.S. Air Force flourished, and he later went on to specialize in orthodontics at Fairleigh-Dickinson University, where he received his degree in Orthodontics. To further solidify his credentials, he earned certification from the American Board of Orthodontics.

Sir James dedicated over 22 years to serving in the U.S. Air Force, where he practiced orthodontics and rose to the rank of Colonel. After his distinguished military service, he retired and transitioned to private practice, where he continued his work in orthodontics and provided care to numerous patients.

In addition to his professional accomplishments, John is also the current hereditary Chief of the Name for Clan Dunbar. Following the passing of his father, Sir Jean Dunbar, the 13th Baronet of Mochrum, Sir James assumed the esteemed title and continues to uphold the legacy of his family's history.

With a career marked by dedication to both his country and his profession, Sir James Michael Dunbar is a respected figure in both the medical and ancestral Scottish Clan Dunbar International communities.