Sheriff Quiroz wanted to continue serving his community and joined the Arlington County Sheriff’s Office on September 10, 2001, the day before our country was attacked. Sheriff Quiroz graduated from the 106th Session of the Northern Virginia Criminal Justice Training Academy in 2002 and was assigned to the Corrections Division of the Arlington County Sheriff’s Office. In 2005, Sheriff Quiroz was transferred to the Judicial Services Division assigned to the Court Security section. In 2014, he was transferred to the Detention Facility and worked in the Records Section. In 2015, Sheriff Quiroz was promoted to the sergeant rank, as a first line supervisor on all four shifts in the detention facility.
In 2018, Sheriff Quiroz was assigned to the Training Section as the training sergeant, which was a newly created position. As the training sergeant, Sheriff Quiroz was assigned to oversee the Field Training program, supervise newly hired deputy sheriff recruits, and assist with other training assignments within the sheriff’s office.
In 2019, Sheriff Quiroz was promoted to the rank of lieutenant and assumed the role of Training Coordinator, overseeing all training related functions for the sheriff’s office. In February of 2022 he was promoted to captain and in January of 2023, he was appointed Sheriff of Arlington County and was elected the 19th Sheriff of Arlington County in November 2023. Sheriff Quiroz is the first sheriff of Latino descent in Arlington County and the first elected sheriff of Latino descent in the commonwealth of Virginia.
Sheriff Quiroz loves serving his community and is passionate about connecting the sheriff’s office with the community. In 2018, he created the sheriff’s office's annual breast cancer awareness campaign which has donated over forty thousand dollars to the Virginia Hospital Center Outpatient Clinic.
Sheriff Quiroz also served as director of the annual Arlington 9/11 Memorial 5K event from 2019-2022. Sheriff Quiroz oversaw the planning, budget, and execution of the event and worked closely with all four Arlington public safety agencies and community leaders to put together a successful event. The Arlington 9/11 Memorial 5K has raised and donated over one million dollars to date.
Sheriff Quiroz is a graduate of the National Sheriff’s Institute Leadership, Jail Administration and Communicating for Impact courses, the Douglas Wilder School of Government and Public Affairs Virginia Sheriff’s Institute program, the University of Nebraska at Omaha School of Criminology and Criminal Justice Jail Executive Institute leadership program and is a member of the Virginia Sheriff’s Association, National Sheriff’s Association, American Jail Association, American Correctional Association, USS Arlington Community Alliance and the Optimist Club of Arlington. Sheriff Quiroz also serves on several local community boards.
Sheriff Quiroz lives in Arlington with his wife and two children.