Robert Ernenwein became a member of the California Bar in 1984. Between 1984 and 1987, he was employed as a Deputy District Attorney with the Los Angeles District Attorney’s Office. During his tenure with the District Attorneys Office, he acted as prosecutor in over 150 felony and misdemeanor jury trials.  His cases ranged from driving under the influence to rape and murder.  He negotiated to settlement approximately 1500 misdemeanor and felony matters.  In 1987, Robert Ernenwein entered private practice with Bruce McGregor, who was also a Los Angeles Deputy District Attorney.  For the past 37 years, he has been in private criminal defense practice representing hundreds of individuals in misdemeanor and felony cases throughout Southern California.