Matthew J. Marnell

[email protected]


B.A., Loyola Marymount University (1978); J.D. Loyola Law School LA (1982)


Mr. Marnell has specialized in tort litigation practice and the defense of private and public entities, for 40 years. He initially worked with three insurance defense law firms for 16 years, followed by 24 years with the San Bernardino County Counsel’s office while practicing in both federal and state courts. He has also handled many appellate court cases.

His public entity defense practice included defense of cases in police misconduct, dangerous conditions of public property, wrongful termination, and child abuse.  He also served as San Bernardino County’s first full time local code prosecutor in its County Counsel’s office for five years while handling both criminal and civil cases.

Having served as lead trial attorney in over 30 jury trials, he has been a member of the Inland Empire ABOTA for over ten years.

He graduated from all Jesuit educational institutions:  Loyola Law School (1982) cum laude, Loyola Marymount University (1978), and Loyola High School (1973).

While not practicing law, he has participated in multiple civic minded boards:  San Bernardino County Bar Association, Cedar House Rehabilitation Center, Inland Counties Legal Services, and Trinity Episcopal Church in Redlands, California. 

He also serves as a pro tem judge with the San Bernardino County Superior Court.


State Bar of California, United States District Court, Southern and Central District, 9th Circuit Appellate Court, and U. S. Supreme Court.