Dr. Cantu completed his Bachelors degree in Biology from the Universityof Texas at Austin. He then moved to San Antonio to attend the nations highest ranked Dental School at the University of Texas Health Science Center. Upon graduation, Dr. Cantu served two years in New Mexicos Public Health Service.
He returned to San Antonio in 1996 to begin his private practice. Aside from membership in numerous civic organizations, he is a member of the American Dental Association, Texas Dental Association, and the San Antonio District Dental Society.