Summit County Sheriff's Office Command Staff

The Summit County Sheriff's Office is led by Sheriff Jaime FitzSimons, Undersheriff Joel Cochran,
Operations Commander Lesley Mumford, Animal Control Director Lesley Hall and Detentions Commander Erik Bourgerie.

Sheriff Jaime FitzSimons

Sheriff Jaime FitzSimons leads the Summit County Sheriff’s Office, where he directs the work of 73 dedicated law enforcement and civil employees in their duties to serve the residents and visitors of Summit County, Colorado. He first joined the organization in 2006 and has served as Patrol Deputy, Detective and Operations Division Commander.
Photo of Sheriff FitzSimons
FitzSimons was born and raised in Los Angeles, California, where he was an avid surfer, skateboarder and competitive marathon runner. He joined the Los Angeles Police Department in 1990. From 1990 to 2005, FitzSimons served in various patrol assignments, the Special Problems Unit, the Gang Unit and undercover narcotics work.

During his tenure with LAPD, FitzSimons was promoted to the ranks of Patrol Sergeant and Detective. In those positions, he investigated complex murders, robberies, sex crimes, crimes against persons, gang crimes, burglaries, thefts, frauds, embezzlements and narcotics violations; he also conducted covert surveillances and personnel complaint investigations. FitzSimons participated in responses to numerous historic incidents and events, including the Los Angeles Riots (1992), Malibu Wildfire (1993), Northridge Earthquake (1994), O.J. Simpson Murder Case (1994), Malibu Floods (1995), North Hollywood Shootout (1997) and Southern California Wildfires (2003).
FitzSimons moved to Summit County in 2005, briefly serving in the Summit County 911 Center. In 2006, Sheriff John Minor recruited him to join the Summit County Sheriff’s Office as a Patrol Deputy. FitzSimons was promoted to Detective in 2006, drawing on his expertise gained in Los Angeles to conduct complex criminal investigations. In 2008, FitzSimons was promoted to the rank of Operations Division Commander, overseeing Patrol, the Criminal Investigations Division and Special Operations. In addition to oversight of functional operations, he also ensured compliance with policies, procedures, regulations and standards. He also filled the roles of both Sheriff and Undersheriff in their absence. In 2013, FitzSimons took on the added responsibility of leading the Summit County Combined Special Weapons and Tactics Team (SWAT).

FitzSimons was elected Summit County Sheriff on November 8, 2016. FitzSimons has spent his career building and maintaining partnerships and collaborative relationships with numerous local agencies and organizations, as well as state and federal agencies.

In 1990, FitzSimons married his wife Lena; the couple have two grown children who also call Summit County home. Sheriff FitzSimons has traded his surfboard for skis, but still enjoys skateboarding. He is an avid outdoorsman who also enjoys hiking, mountain biking, trail running, snowshoeing and snowmobiling.

FitzSimons has served as a technical consultant in the film industry on numerous projects, including "Street Kings," "End of Watch," "Prisoners," "Sabotage," "Nightcrawler," "Fury," "Southpaw," "Stronger" and "Bright."

Undersheriff Joel Cochran

Undersheriff Joel Cochran oversees the four Sheriff's Office Division Commanders and their respective areas of operation. Prior to this position, Cochran served as the Director of Emergency Management for Summit County government. He has lived and worked in Summit County for more than 30 years.

Undersheriff Cochran previously worked in the Special Operations unit as a Sergeant, and while with the Breckenridge Police Department, as a Detective/Sergeant. Cochran holds certifications under the State of Colorado as a Peace Officer and under credentialing system as a Type-3 Certified Planning Section Chief. He is a graduate of University of Colorado at Denver and holds a master's degree in criminal justice.
Photo of Undersheriff Joel Cochran

Operations Division Commander Lesley Mumford

Operations Division Commander Lesley Mumford supervises the Patrol Division, the Criminal Investigations Division, the Special Operations Division, and the Records Division of the Summit County Sheriff's Office. She is also the Summit County Combined SWAT Commander. Commander Mumford serves as a representative on several multidisciplinary groups maintaining community partnerships while continually evaluating and improving our responses to the community’s needs.

Commander Mumford previously served as Detective Sergeant from 2010 to 2016 and as a Detective from 2007 to 2010. During her time in the Criminal Investigations Division, she received numerous internal and external commendations, including from the FBI, DEA, U.S. Postal Inspector’s Service and U.S. Marshals Service.
Commander Lesley Mumford
Prior to her time in the Criminal investigations Division, Commander Mumford served the Summit County Sheriff’s Office as a Patrol Deputy, Field Training Officer and Field Training Coordinator. Before joining the Sheriff's Office, she worked for the Larimer County Parks and Open Lands Department and the Colorado Division of State Parks and Wildlife as a Park Ranger.

Mumford is a graduate of Colorado State University with a B.S. in Natural Resources Management and a minor in Political Science. She and her wife have resided in Summit County since 2004, are raising their child here and hope to be residents of Summit for many years to come.

Animal Control Director Lesley Hall

Lesley Hall is the Director of the Animal Control Division. She oversees the animal control officers, who enforce Summit County animal control resolutions state statutes, as well as the Summit County Animal Shelter, which houses stray pets and operates a very successful adoption program.

Photo of Lesley Hall
Animal Control has 10 staff, more than 100 volunteers, a pre-K-12 humane education program and a Summit County Animal Response Team that trains to respond to disasters. The shelter takes an active role in promoting animal welfare by working with several other Colorado and out-of-state shelters as transfer partners. The shelter houses approximately 640 animals each year, 68 percent of which are adopted; 29 percent are redeemed by their owners.

Hall has worked for Animal Control since 1988, when she started as an Animal Control Officer. She was promoted to Animal Control Supervisor in 1993, and to the Director position in 2010. Hall grew up in Independence, Ohio, with a strong interest in pets and wildlife and a desire to live in the Rocky Mountains. With these goals in mind, she earned a bachelor's of science degree in Wildlife Conservation and Management from the University of Wyoming and a commission as an Army Second Lieutenant. During her college years, she worked as a ranch hand outside of Cody, Wyoming. After graduating, she worked for the Colorado Division of Wildlife and Wildlife International Inc. Hall served in the Colorado Army National Guard for eight years, obtaining the rank of Captain.