San Diego County

District Attorney

Summer rose through the ranks to become the elected District Attorney. As a trial prosecutor, she tried more than 100 jury trials, including cases of complex homicides, sexually-violent predators, child molestation, sexual assaults, school shooting, and human trafficking-related cases. She served as Chief of the DA’s North County Branch and Chief of the Sex Crimes and Human Trafficking Division, a special victims unit she pioneered. In June of 2018, San Diego County voters overwhelmingly elected Summer as District Attorney.

DA Stephan holds leadership positions in public safety on the national, state and local levels, which includes serving as a vice-president of the National District Attorneys Association, co-chair of the California District Attorneys Association Human Trafficking committee, and the National Association of Women Judges Human Trafficking committee. Summer served on the Governor’s Task Force for High-Risk Sex Offenders and Sexually-Violent Predators. She spearheaded the innovative “Know the Price” campaign, which focused on reducing sexual assaults on college campuses. She also led the award-winning “The Ugly Truth” human trafficking awareness campaign as well as the “San Diego Opioid Project,” aimed at reducing opioid overdoses. Summer led a coordinated effort to protect the community from targeted mass violence with a School Threats Task Force that implemented a unified protocol with all 42 school districts in San Diego County. In addition, she began an effective Veterans Treatment model in North County inspired by a heroic Marine Corps veteran.

Summer is the recipient of numerous local, state and federal awards, including an FBI commendation for organized crime prosecution, outstanding achievement award from the Deputy District Attorneys Association for the complex prosecution for the rape and murder of an elderly woman. She was named an “Angel of Anti-Human Trafficking” and a “Modern Day Abolitionist.” She was selected as the 2017 Southern California District Attorney of the Year by Crime Victims United, was awarded the Pathbreaker Award by Shared Hope International, and received the 2019 Humane Award for her work in fighting animal cruelty.

Summer received her Bachelor of Arts degree from the University of California, Davis and her Juris Doctor from the University of the Pacific, McGeorge School of Law.