Dr. O'Brien graduated from the University of Texas Houston Dental Branch in 1984. He makes it a priority to stay current with advances in dentistry and recently won the designation of Fellow of the Academy of General Dentistry, acquired by completing over 500 hours of continuing education in the field of dentistry. He is also a member of the:
- American Dental Association
- Texas Dental Association
- Fort Worth District Dental Society
His beautiful Texas Hill Country-style office is right around the corner from historic Grapevine Main Street, the Gaylord Texan Resort, and the Great Wolf Lodge. He has practiced in Grapevine for over 17 years, preceded by 14 years at his former location in Euless. His patients include local Grapevine residents as well as folks from Colleyville, Southlake, Hurst-Euless-Bedford, Flower Mound, Arlington, Mineral Wells, Lake Dallas, Mansfield, Irving, Denton and numerous northeast Texas locations. He has three grown children and two grandsons. Dr. O'Brien enjoys music, movies, outdoor sports, and the company of family and friends.