Dr. Diane Sizgorich Dr. Diane Sizgorich was born and raised in San Pedro. She graduated from UCLA in 1990, and received her dental degree from the University of the Pacific in San Francisco in 1993. She received her Pediatric Dental Specialty degree in 1995 from USC. She has been an associate clinical professor at the USC School of Dentistry. In 1997, she began her private practice at our current location. Dr. Sizgorich is an active member of the American Dental Association, California Dental Association and the American Academy of Pediatric Dentistry . She is also a Diplomate of the American Board of Pediatric Dentistry. In her free time, she and her husband enjoy attending the various sporting and scouting activities of their two boys as well as being actively involved at Holy Trinity School. E-Mail: drdiane@sanpedropediatricdentist.com