Chief Greif joined the department in October of 1985 after a four year career as a paramedic with the City of Fort Worth’s contracted ambulance service provider. He worked his way through the ranks serving as Firefighter, Engineer, Lieutenant, Captain and Battalion Chief. 

Chief Greif has worked in numerous assignments throughout the department. He was assigned to Operations from Firefighter to Captain. He served as Captain of the Training Division and has served in the capacity of Assistant to the Executive Deputy Chief.  Moving from that assignment he spent ten years leading the Communications Section growing the center into a state of the art facility with the latest technology and implementing the industry’s best practices. From there he served as the Support Services Battalion Chief for two-years which encompassed Fire Communications, Fire Equipment Services, and Fire Supply. He was serving as the Battalion 4 A-shift chief at the time of his appointment to Deputy of Operations.

Chief Greif is a state licensed paramedic and holds certifications with the Texas Commission of Fire Protection as a Master Firefighter, Fire Service Instructor and Hazardous Materials Technician.  A Fort Worth native, Greif is a graduate of Western Hills High School.  He has earned an Associates degree in Fire Science, Bachelor of Arts & Applied Sciences from Midwestern State University and a Master of Public Administration degree from the University of Texas at Arlington.  He graduated the Executive Fire Officer Program at the National Fire Academy and is a graduate of the Leadership Fort Worth program along with numerous other professional level management courses. 

Chief Greif has been and continues to be involved in several boards and committees. He served on the Texas Commission on Fire Protection committee for Fire Officer Curriculum and numerous fire communications and interoperability committees at the state and national level. He currently is serving on the Board of Managers for Tarrant County 9-1-1, Chairman of the Board for International CAD Consortium.  He has had numerous published research papers by the United States Fire Administration and industry trade magazines. He has been a quest speaker at several national conferences.