Kimberly Trimble, Singleton Schreiber Photo


Kimberly Trimble is a Partner with Singleton Schreiber and is a tenacious litigator with a long track record of successfully representing clients in and out of the courtroom. A leading member of the Civil Rights team, she helped the firm obtain one of its most prestigious verdicts to date.

She was part of the trial team that obtained an $85 million verdict against the County of San Diego for the wrongful death of a young man named Lucky Phounsy. The Daily Journal recognized it as one of the most significant verdicts in California in 2022.

Earlier in her career, Kimberly served as the pro se law clerk in the United States District Court for the Eastern District of Virginia in Alexandria, VA for one year, followed by a one-year judicial clerkship for the Honorable Dolores K. Sloviter in the United States Court of Appeals for the Third Circuit in Philadelphia, PA. She then worked for the Federal Defenders of San Diego for over 8 years as both a trial attorney and an appellate attorney. She completed numerous jury trials, bench trials, and oral arguments before the United States Court of Appeals for the Ninth Circuit.

She was also a core member of a legal team that had oral argument in the Supreme Court of the United States, as well as a core member of a legal team that represented an individual charged with capital offenses. She joined the firm in the fall of 2020. Kimberly is admitted to practice in California state and federal courts and is also an inactive member of the Virginia State Bar.

Kimberly was born and raised in Connecticut. She moved to California to attend Claremont McKenna College, where she graduated magna cum laude and earned the award for Best Overall Achievement in her major of Philosophy. She then joined Teach for America in Miami, after which she attended law school at American University – Washington College of Law (WCL) in Washington, D.C. In law school, she served in various roles and received several awards on both the WCL Moot Court Honor Society as well as the American University Law Review. She graduated magna cum laude and was elected to the Order of the Coif.

Kimberly spends much of her free time on her bicycle, weightlifting, hanging out with her rescue dogs, and competing on her horses. She travels as often as she can and particularly seeks out outdoor adventures like hiking the Inca Trail, scuba diving in Belize, and going rock climbing in Thailand.

Honors & Awards

2023 Top 40 under 40, Daily Journal

Case Results

K.J.Phounsy et al v. County of San Diego, Mark Fleming led the team that obtained an historic $85 million verdict in a case tried in conjunction with Singleton Schreiber and McKenzie Scott. The San Diego County Board of Supervisors then agreed to a $12 million settlement in the lawsuit involving Mr. Phounsy, a 32-year-old man who died after being tased, beaten, and hogtied in 2015 by deputies from San Diego’s Sheriff’s Department.

  • Our client's family sued the San Diego County Sheriff's Department for excessive force, failing to administer medical care, battery, negligence, and wrongful death, among other causes of action.

News & Publications


Claim: Prosecutors knowingly jailed an innocent man

Practice Areas


Claremont McKenna College

American University – Washington College of Law


  • California state and federal courts


Firm News

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