Commander Alfonso Lopez was born and raised in the City of Los Angeles. He grew up in the Northeast and Hollenbeck areas of Los Angeles, where he attended Benjamin Franklin High School. He continued his education at Sonoma State University and earned a Criminal Justice Administration degree.
Lopez was appointed to the Los Angeles Police Department in 1991. As a police officer, he worked in Hollywood Central and Rampart Areas, and Metropolitan Division. He had been assigned to gangs and vice and has also been an element/equestrian member. In 2001, he became a Sergeant and, in this capacity, worked in Southwest, Northeast, and Olympic Areas as well as Internal Affairs Group. As a member of the Olympic Transition Team, Lopez was responsible for the creation of the 20th Community Police Station.
In 2011, Lopez was promoted to Lieutenant and was assigned to Southwest Area as a Watch Commander. He then became the Officer in Charge of the newly formed University Park Task Force and the Gang Impact Team. He was then transferred to the Office of Operations as the Officer in Charge of the Evaluation and Administrative Section. In 2015, Lopez was promoted to Captain and assigned to Southeast Division as the Patrol Commanding Officer. In July 2015, he became the Commanding Officer of Air Support Division. In August 2018, Lopez became the Commanding Officer of Rampart Area, and in 2022, was selected as the Commanding Officer of the Commercial Crimes Division, where he coordinated the Department’s response to a statewide increase in cargo train theft as he formed the Cargo Rail taskforce and the subsequent Organized Retail Crimes Taskforce. In January 2024, Lopez was promoted to the rank of Commander, where he was assigned as the Assistant Commanding Officer of Operations-South Bureau.
Lopez is a graduate of the Los Angeles Police Department West Point Leadership Program, the Sherman Block Supervisory Leadership Institute, and the Los Angeles Police Department Command Development Course. He is a member of the Latin American Law Enforcement Association and the Command Officers Association. He has been the recipient of the Meritorious Unit Citation and the Police Medal.
Commander Lopez is married to his wife Mary, and they have recently celebrated their 25th wedding anniversary. In his time, Lopez enjoys spending quality time with his family, coaching soccer, running, camping, and traveling.