San Bernardino County Sheriff's Department

John Wickum, Deputy Chief

John Wickum was raised in the city of Rancho Cucamonga and has been a lifelong resident of San Bernardino County. John became interested in law enforcement at a young age, joining the Sheriff’s Explorer program at Rancho Station in 1985. John began his career with the San Bernardino County Sheriff’s Department in 1991, graduating from the Frank Bland Regional Training Academy class #103.

John has worked various assignments during his career, including Central Detention Center, Foothill Detention Center, West Valley Detention Center, Victor Valley Station, Narcotics Division, Specialized Enforcement Division, Apple Valley Station, High Desert Detention Center, and most recently the Captain for the Victorville City Station.

John holds numerous certificates from the California Commission on Peace Officer Standards and Training. He attended Chaffey College and California Coast University, Irvine. He is a member of many law enforcement organizations, serving on the San Bernardino County Sheriff’s Rodeo board and he is currently the Liaison for the Sheriff’s Rangers.

Sheriff Shannon Dicus promoted John to Deputy Chief in March 2024. John is currently assigned to the Detention and Corrections Operations Bureau.

James Mahan, Deputy Chief

Bio coming soon.

Randy German, Deputy Chief

Bio coming soon.

Jeremy Martinez, Deputy Chief

Jeremy began his career with the San Bernardino County Sheriff’s Department in 1998, graduating from the Frank Bland Regional Training Center, Academy Class 134. Jeremy has worked various assignments during his career, including the West Valley Detention Center, High Desert Detention Center, Barstow, Apple Valley, Victorville, Hesperia, and Victor Valley Patrol Stations, Gangs and Narcotics, Inland Regional Narcotics Enforcement Team, and the Employee Resources Division.

Jeremy received a bachelor’s degree in criminal justice from Cal State University San Bernardino, holds numerous certificates from the California Commission on Peace Officer Standards and Training, and is a member of several law enforcement associations.

Jeremy was promoted to Deputy Chief in April of 2024 by Sheriff Shannon Dicus and oversees the Special Operations Bureau.

Robert Trostle, Deputy Chief

Bio coming soon.

Garth Goodell, Deputy Chief

Garth Goodell began his career with the San Bernardino County Sheriff’s Department in 1993 as a reserve deputy sheriff. He was hired full time in 1995 and attended the 120^th session of the Sheriff’s Basic Academy.

Garth’s law enforcement career began with his first custody assignment at West Valley Detention Center. He was later assigned to patrol operations at Morongo Basin, Chino Hills Station and Gangs / Narcotics. As a detective, he was assigned to Hesperia Station and the Specialized Enforcement Division. As a sergeant, Garth was assigned to Twin Peaks Station and Chino Hills Station. Following his promotion to lieutenant, Garth was assigned as the commander of the Centralized Classification Unit and later as the lieutenant for the Specialized Enforcement Division. As a captain, Garth has held command assignments at Employee Resources Division and Chino Hills Station.

Garth earned his Bachelor of Science degree in Criminal Justice Management from Union Institute and University and his Master of Business Administration from California Baptist University. He holds numerous professional certificates and memberships and is also a graduate of the FBI-LEEDA Leadership Trilogy and the California Police Chiefs Executive Leadership Institute at Drucker School of Management.

Sheriff Shannon Dicus promoted Garth to Deputy Chief in July 2023. As Deputy Chief, Garth is responsible for the Personnel and Emergency Services Bureau.

Horace Boatwright, Undersheriff

Undersheriff Horace Boatwright is the oldest of five siblings and grew up in the small city of Bennettsville, South Carolina. Growing up during an era where disparities in opportunity and inequality were the norm, Horace knew how important an education was in expanding his horizon. He graduated high school and enlisted in the United States Air Force. During his eight years in the military, Horace served across the United States and overseas, learning to appreciate diverse people and cultures.

After completing his military service, Horace completed the 101st session of the San Bernardino County Sheriff’s Basic Academy as the honor graduate. Horace’s respect for education continued into his professional career. He earned a Bachelor of Science degree in Criminal Justice Management and a Master of Arts degree in Public Administration. Horace is a graduate of the FBI National Academy and the IEEP Regional Leadership Academy.

During his 30-year career, Horace has worked in the Corrections Bureau, Employee Resources Division, Patrol Bureau – Rancho Cucamonga Station, Central Station, Fontana Station, and the Public Affairs Division. Before being promoted to Undersheriff, Horace served as the Deputy Chief of the Valley/Mountain Patrol Bureau, overseeing eight patrol stations’ police services and as Assistant Sheriff responsible for the department’s Criminal Operations.

Horace also serves on the department’s Equal Employment Opportunity Committee (EEOC). Horace works to foster a workplace that is welcoming and open to all.

Horace was promoted to Undersheriff by Sheriff Shannon D. Dicus on August 14, 2021.

Kelly Welty, Chief Deputy Director

Kelly is responsible for oversight of the Sheriff’s Bureau of Administration, including budget and financial operations, payroll and position control, maintenance and project management, and fleet services. Prior to joining the Sheriff’s Department, Kelly served as a Deputy Executive Officer for the County Administrative Office – Finance Division, with responsibility for law and justice departments, countywide fees and rates, and the County’s indigent defense program. She holds a Master’s degree in Public Administration from California State University, San Bernardino and has over 15 years of experience in County budget, finance, and administrative operations.

Jerry Gutierrez, Executive Officer

Executive Officer Jerry Gutierrez is responsible for the Support and Administrative Operations within the Corrections Bureau.

Prior to joining the San Bernardino County Sheriff’s Department, Jerry served as Assistant Sheriff overseeing the Corrections Division with the Riverside County Sheriff’s Department. He brings over 30 years of experience in the field of Corrections, including supervisory, management, and executive positions. He has served on executive steering committees and workgroups for the California Board of State and Community Corrections (BSCC) to assist with Adult Titles 15 and 24 Regulations and with standards and training for local correctional officers.

Jerry holds a Bachelor of Science Degree in Workforce Education and Development from Southern Illinois University and a Master’s Degree in Public Administration from California State University, San Bernardino.

Shannon Dicus, Undersheriff

Undersheriff Shannon Dicus was raised in a law-enforcement family and has lived in San Bernardino County for over 40 years. In High School, U/S Dicus was a Sheriff’s Explorer Scout. After graduating, He enlisted in the United States Army and was assigned to the 101st Airborne Division where he served as a Military Police Officer at Fort Campbell, Kentucky, and Sinai, Egypt.

After his tour of service in the Military, U/S Dicus worked for the Department of Veterans Affairs Police Department in Loma Linda. U/S Dicus was hired by the San Bernardino County Sheriff’s Department in 1991 and he attended the Frank Bland Training Center, 106th Basic Academy session.

U/S Dicus has a Bachelor’s Degree in Criminal Justice from Cal State San Bernardino and a Master’s Degree in Communications from Cal Baptist University.

Notable project was the “Jail Utilization Study” done in partnership with CalForward to determine the effects of prison realignment and recidivism in our jails.

U/S oversees the day to day operations of the Department, as well as the Internal Affairs Division, Civil Liabilities Division and Bureau of Administration Division.

U/S Dicus past assignments include: Corrections– Glen Helen Rehabilitation and West Valley Detention Centers. Patrol– Barstow Station, Apple Valley, Victorville City, and Victor Valley Stations. Specialized Investigations– Narcotics, SWAT, and Criminal Intelligence. Support Services– Technical Services, Communications, Records, and the Bureau of Administration. As Assistant Sheriff, US Dicus was responsible to the Sheriff for Support Operations, and supervises three Deputy Chiefs, the Public Affairs Lieutenant and the Legislative Liaison who oversee the Corrections Bureau, Court Security, Crime Lab, Coroner, Employee Resources, Sheriff’s Academy, Public Affairs, and local law enforcement legislative efforts.

Richard Luczak, Sheriff's Counsel

Richard D. Luczak serves as a Sheriff’s Department Human Resources Legal Adviser, advising on labor and employment issues and representing the department in grievances, arbitrations, administrative hearings and court proceedings. He is also a member of the San Bernardino County Counsel’s Litigation Unit, representing the County and its employees in state and federal court.

Mr. Luczak received his A.B. in English from the University of California at Berkeley, followed by his J.D. from Loyola Law School. He is admitted to practice law in California and the District of Columbia, and all federal district and appellate courts for those jurisdictions. Prior to joining the San Bernardino County Counsel’s Office, Mr. Luczak worked as a Deputy City Attorney for San Bernardino, as well as an associate attorney at Arias, Lockwood & Gray and Lewis Brisbois Bisgaard & Smith.

Office of the Sheriff

The collective group of department administrators at the rank of Sheriff, Undersheriff, and two Assistant Sheriffs.

Miles Kowalski, Sheriff's Counsel

Deputy County Counsel Miles Kowalski grew up in San Bernardino. He also received his undergraduate education locally, attending Valley College and Cal State San Bernardino. He has a Bachelor of Arts degree in Anthropology, with a study focus in Middle Eastern and Meso-American cultures.

While attending Lewis & Clark Law School in Oregon, Deputy County Counsel Kowalski worked for the Portland City Attorney’s Office. He graduated cum laude, having participated in the law school’s Indian Law Program and the Environmental and Natural Resources Law Program. He also worked as an associate editor for the Environmental Law Review.

Prior to coming to the Sheriff’s Department, Deputy County Counsel Kowalski worked as a prosecutor throughout the State of California. In Madera County, he was specially assigned to a multi-agency Department of Justice narcotics task force. In San Bernardino County, he prosecuted homicides and other serious crimes committed by gang members and career criminals.

Deputy County Counsel Kowalski represents the third generation of his family to work for the Sheriff’s Department. He currently serves the department alongside brothers, cousins, and in-laws.