Chief David L. Coble started his professional fire service career in 1984 at the Fort Worth Fire Department.  Chief Coble spent more than 3 decades moving up the ranks in the Fort Worth Fire Department reaching the rank of Executive Assistant Fire Chief.  He served as interim Fort Worth Fire Chief before retiring in 2016.  Chief Coble was selected and confirmed for the position of Tyler Fire Chief on September 28, 2016 and he continues to lead the department today.

Chief Coble believes in servant leadership, education and professional development.  He earned an Associated of Applied Science in Fire Service Administration from Weatherford College, a Bachelor of Business Administration degree from Dallas Baptist University, and a Master of Business Administration degree from Texas A & M University – Commerce.  He also holds certifications through the Texas Commission on Fire Protection (TCFP) as Master Structure Firefighter, Advance Instructor, Master Fire Inspector, Hazardous Materials Technician and Head of Department.  Chief Coble is an Executive Fire Officer completing the four year program at the National Fire Academy in Emmitsburg, MD.  Coble has also completed the FEMA National Emergency Management Executive Academy, International Association of Fire Chief’s Fire Service Executive Development Institute (FSEDI) fellowship, the five year Carl Holmes Executive Development Institute, IAFC Executive Officer Development Program, Leadership Fort Worth fellowship, and Leadership Tyler Executive Orientation Series. 

In addition to his fire service duties, Chief Coble serves as the Managing Director of Emergency Services for the City of Tyler and the Emergency Management Coordinator.  He further serves the community through the following boards and organizations:  Leadership Tyler Board Member, Catalyst 100 Advisory Board Member, Salvation Army Advisory Board Member, Tyler Area Chamber of Commerce Board Member, City of Tyler Liaison to Veteran Groups in Smith County, Mayor’s Mentorship Achievement Program, Tyler Chamber of Commerce Career Connections Event (C4) and the UT Tyler Career Success Conference.   

 Assistant Chief Kelly Adkinson began his professional fire service career in 1992. He has served the Tyler Fire Department with excellence for over 27 years, rising through the ranks of Fire Fighter, Fire Engineer, Fire Captain, and Fire Senior Captain.

 Assistant Chief Adkinson is a highly qualified and experienced firefighter and paramedic with a solid academic background. He has obtained various certifications, including TCFP Master Firefighter, Fire Officer, Fire Instructor, Hazardous Materials Technician and Incident Commander, TDHS EMT-Licensed Paramedic, Pro-Board Rope Rescue Technician, and Incident Management. He is also a Texas BON - Registered Nurse with an Associate's Degree in Nursing and another in Interdisciplinary Studies from Tyler Junior College. In addition, he has a Bachelor's degree in Fire and Emergency Services Administration from Texas A&M University-San Antonio.

Assistant Chief Michael Frost began his professional fire service career in 1996. Chief Frost is responsible for overseeing and managing the Department's budget and administrative duties and acting as head of the Department when required. He also serves as the Deputy Emergency Management Coordinator in times of disaster or other emergencies. He has progressed through the ranks of Fire Fighter, Engineer, Captain, and Battalion Chief and was promoted to Assistant Chief on February 12, 2017.

Having spent the last 28 years in the fire service, he holds certifications as a Master Firefighter, Fire Officer IV, and Instructor II through the Texas Commission on Fire Protection. He holds the Advanced Professional Series (APS) certification from FEMA’s Emergency Management Institute in Emergency Management and All Hazards Incident Management Certificate, Texas A&M. He is a Registered Nurse, TBN, and a certified EMT-Basic, TDH. Other certifications include Vehicle Rescue Technician Level I-III, Confine Space Technician, Trench Rescue Technician Level III, NFPA 472 Hazardous Materials Technician, and Rope Rescue Technician. He also served as a Tyler Junior College instructor and was the Kilgore College Fire Academy Salutatorian in 1996.

Before joining the Tyler Fire Department, Chief Frost served our country in the U.S. Air Force as an Explosive Ordnance Disposal Technician (EOD). Chief Frost is a graduate of the National Fire Academy, Emmetsburg, Maryland, and the Texas Fire Chiefs Academy, earning the Chief Fire Executive designation.

He is a member of the Texas Fire Chief's Association and the International Fire Chiefs Association. He holds a degree in Nursing TBN, an AAS degree in Fire Administration and is currently completing a BAS in Emergency Management. Frost holds a position with the Regional Advisory Council (RAC-G) finance committee with the and is the Smith County Local Emergency Planning Committee (LEPC) co-chair.

He is a 2015 City of Tyler Leadership Academy graduate and Leadership Tyler, Class of #31-2018. He has one daughter that graduated from the University of Houston and earned her M.D. from St. George's University School of Medicine specializing in emergency medical care.

Battalion Chief Daniel Smith started his career in the fire service in 2004 with the Tyler Fire Department.  Chief Smith moved up the ranks of the Tyler Fire Department serving as a Firefighter, Engineer, Captain, Senior Captain and is now the Battalion Chief of Training.  He has served the city on both the Hazmat and Technical Rescue Teams.  In 2022, he took over as the IT Liaison for the department and helps maintain the CAD, GIS, and fire records software for the department. 

Chief Smith earned a Bachelor of Applied Arts and Sciences degree in Fire Emergency Service – Fire Administration from Texas A&M University – San Antonio.  He holds his Master Firefighter certification, his Wildland Firefighter certification, and his Hazardous Materials Technician certification from the Texas Commission on Fire Protection.