Dr. Bradley G. Seto grew up in Sacramento, California, and attended the University of California, Davis as a biochemistry major. He was admitted to the Emory University School of Dentistry after his third year of college. Dr. Seto graduated from dental school in 1978, with his Doctor of Dental Surgery degree. He was also inducted into the Omicron Kappa Upsilon Dental Honor Society. Upon completion of dental school at Emory, he continued his education at the UCLA Hospital Dentistry Program beginning in 1978; he earned a certificate at UCLA in 1979.

For the next eight years, Dr. Seto taught at UCLA as an assistant professor and director of the Hospital Dentistry program. In 1987, he began specialty endodontic training at the University of Washington School of Dentistry where he received his Certificate of Postgraduate Training in Endodontics and a Master of Science in Dentistry. In 1989, Dr. Seto returned to Southern California joining the private endodontic practice of Drs. Thomas Rauth, Trabert and Holcomb in Santa Monica. He is active in Western Los Angeles Dental Society and is a past president of the Academy of Excellence in Dentistry.

Outside of his professional life, Dr. Seto enjoys mountain biking in the Santa Monica Mountains and cherishes time with his wife, three adult children, and eight grandchildren.