William Holzer is a graduate of UCLA ('04) and UCLA Law School ('07).  During law school he clerked with the California Department of Justice, Appeals, Writs, and Trials Sections, and the Los Angeles County District Attorney's Office, Compton Hardcore Gang Unit.

William was a Deputy District Attorney with the Riverside County District Attorney's Office from 2007 to 2012.  He was awarded "Prosecutor of the Month" on six occasions for his success in criminal jury trials.

In 2012, Williams started his own law practice.  He has represented clients in over 200 criminal appeals.  He has also represented clients in a variety of civil matters.