Lieutenant Aaron Rosenberg


Lt RosenbergLieutenant Aaron Rosenberg was born and raised in Merced, California and graduated from Merced High School in 1994. Rosenberg was hired as a Volunteer Reserve Deputy Sheriff by the Merced County Sheriff’s Office in 1998.  Lieutenant Rosenberg Served as a Reserve Deputy Sheriff while he attended the Ray Simon Criminal Justice Training Center’s Police Academy in Modesto, California.  Lieutenant Rosenberg graduated the Police academy in 1999 and shortly after graduating the Police Academy, he was sworn in as a full-time Deputy Sheriff assigned to the Westside of Merced County.

 In 2003, Rosenberg was assigned to the Detective Bureau where he was the Merced area property crimes detective. In 2005, Rosenberg returned to the Patrol Bureau, where he became a field-training officer and returned to the Detective Bureau in 2008.  Over the next six years, Rosenberg worked a number of assignments in the Detective Bureau including financial crimes, computer forensics, and major crimes.  In addition to his regular duties, Rosenberg was a certified SCUBA diver for the Merced County Sheriff’s Office Water Rescue and Recovery Team. 

 Lieutenant Rosenberg was promoted to Sergeant in 2014 where he was assigned to the graveyard shift as a Patrol Sergeant and oversaw the field-training program for newly hired deputy sheriffs. In 2016, Lieutenant Rosenberg was assigned to the Los Banos Substation as the Station Sergeant where he was responsible for the daily operations of the substation. 

 Later that year, Lieutenant Rosenberg was assigned as the Court Security Bureau Sergeant where he insured the safety of judicial staff and the public at all the court facilities in Merced County.

 Eventually Lieutenant Rosenberg was assigned as the Administrative Sergeant where he was responsible for the recruitment and hiring for all sworn, non-sworn, and civilian positions at the Sheriff’s Office.

 Currently Lieutenant Rosenberg oversees the daily operations of the Merced County Sheriff’s Office Main Jail in Merced, the Supervised Release Team, Court Security Bureau, and the Civil Bureau.

 Lieutenant Rosenberg earned his Bachelor’s Degree in Criminal Justice Management from Union Institute and University in 2014.