John Horstmann


John Horstmann is an associate in the Los Angeles office of Lewis Brisbois and a member of the General Liability Practice. Mr. Horstmann earned his Juris Doctor from Southwestern Law School and received his Bachelor of Arts in Anthropology from the University of Oregon. While in law school, Mr. Horstmann was Competitions Chair of the prestigious Trial Advocacy Honors Program, President of the Criminal Law Society, and a member Delta Theta Phi Law Fraternity.

Prior to joining Lewis Brisbois, Mr. Horstmann participated in the prestigious American Board of Trial Advocates Fellowship program. He gained extensive civil litigation experience during the intensive three month program and finished the program by clerking for the Honorable Victor E. Chavez of the California Superior Court for the County of Los Angeles.


  • State Bar Admissions
    • California




  • Los Angeles County Bar Association
  • Association of Business Trial Lawyers


Southwestern Law School

Juris Doctor, 2019

University of Oregon

Bachelor of Arts in Anthropology with a minor in Political Science, 2014

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