Lorin L. Mock, a 47-year fire service veteran, is the Fire Chief for the Clay County Department of Public Safety. In that role, he directs the provision of fire protection and emergency medical services for the 200,000 citizens that reside in the unincorporated areas of Clay County and the municipalities of Green Coves Springs, Keystone Heights, and Penney Farms. He has held that position since 2009.

Before joining Clay County, he served for 27 years in the Jacksonville Fire and Rescue Department. During his tenure in Jacksonville, he rose through the ranks, ultimately receiving separate Mayoral appointments as the Division Chief of Operations, Division Chief of Emergency Preparedness, and the County Emergency Manager for the City of Jacksonville and Duval County.

Chief Mock holds a Master's Degree in Public Administration from the University of North Florida, a Bachelor's Degree in Education from Lock Haven University, and an Associate's Degree in Fire Science from Harrisburg Area Community College.

Acting Fire Chief David Motes brings over 39 years of dedicated service to Clay County. Born into a Navy family in Portsmouth, Virginia, Chief Motes experienced various regions of the United States before his family settled in Florida. Growing up in Lake Asbury in the early 1970s, Chief Motes developed a passion for firefighting, becoming a State-Certified Firefighter while attending Middleburg High School. His journey began as a Volunteer Firefighter in Lake Asbury, setting the foundation for his illustrious career.

Chief Motes pursued higher education, earning an Associate's Degree in Fire and EMS, a bachelor's Degree in Public Administration from Flagler College, and a Master's in Public Administration from Barry University. Throughout his career, Chief Motes acquired numerous certifications in Fire Rescue Service, including Fire Instructor, Fire Inspector, and Company Officer. His expertise extends to Technical Rescue, Haz-Mat, advanced emergency medical programs, tactical medicine, and emergency management. Additionally, Chief Motes holds a Florida Certified General Contractor license and has extensive training in building construction.

Beginning his career at Ambulance Service Inc., Chief Motes gained invaluable experience while obtaining his paramedic license in 1988. His journey led him to St. Johns County before ultimately joining Clay County's career system in June 1988, serving in Keystone Heights. Notably, Chief Motes rose through the ranks from Volunteer Firefighter to Fire Chief in Lake Asbury before it transitioned to a career fire station under Clay County's administration.

Throughout his tenure in Clay County, Chief Motes demonstrated his leadership abilities. He was eventually promoted to Battalion Chief and appointed Deputy Chief of Operations for Public Safety in 2008. Additionally, he served with distinction as a paramedic with the Clay County Sheriff's Office Special Weapons and Tactics Team (SWAT), contributing over 15 years to law enforcement efforts in the county.

Since December 2018, Chief Motes has served as the Acting Fire Chief / Assistant County Manager of Public Safety, overseeing a diverse range of operations within the largest Department directly under the Board of County Commissioners/County Manager. Public Safety, an all-hazards agency, encompasses about 300 sworn and civilian personnel, including Operations, Administrative Services, and Public Safety Administration headquartered at the Clay County Emergency Operations Center.

Beyond his professional endeavors, Chief Motes's most significant commitments lie with his faith and family, including his wife, Terry, and their four children, Allison, Alexis, Dalton, and Ethan.

Deputy Fire Chief Jason Boree was born and raised in Clay County and graduated from Clay High School in 1991.  He attended St. Johns River Community College (now St. Johns River State College), where he achieved an Associate of Arts degree and later an Associate of Science in Emergency Medical Services.  While going through the necessary educational requirements to be able to apply for a job in the Fire/Rescue field, Chief Boree began as a volunteer firefighter with Penney Farms Volunteer Fire Department in approximately 1994.  In April 2000, he started working with Clay County Fire Rescue.  In April 2009, he graduated from Flagler College in St. Augustine, FL, with a Bachelor of Science in Public Administration Summa Cum Laude. He also earned the Hamilton D. Upchurch Award, equivalent to a Salutatorian.  Chief Boree was promoted through the ranks and became Deputy Chief in 2017, where he became the Deputy Chief of Services.  In January 2019, Chief Boree became the Deputy Chief of Operations, where he currently serves.