SHIELD SECURITY & TRAINING SOLUTIONS - Key Persons


David Johnson - President

Job Titles:
  • President
Born and raised in Big Spring, Texas, Mr. Johnson is a Texas native. In 1984 Mr. Johnson entered the University of Texas at Arlington with aspirations of becoming a videographer. After working in video production for about two years, he realized his passion was in helping people and protecting communities, so he began to pursue a career in fire and/or law enforcement. He submitted several applications with multiple municipalities and landed an opportunity with the Euless, Texas Police Department. Mr. Johnson later transferred to the Lewisville, Texas Police Department and served 22.5 years in law enforcement. During his tenure, Mr. Johnson worked in patrol, SWAT, street crimes, and served as a Field Training Officer. Mr. Johnson has received several commendations during his time as a police officer. Following his retirement in 2016, the Lewisville Police Department brought him back to perform background investigations for new hires. He also has extensive training in the use of emergency first-aid, Tactical driving, and Active Shooters for schools, businesses, and churches.

Vincent Stewart - CEO

Job Titles:
  • CEO
Vincent Stewart was born and raised in Dallas, Texas. He started his Law Enforcement career as an airport police officer with the Dallas Security Division in the early 80s. He continued his law enforcement career with the Lewisville Police Department for over 20 years. Vincent has served as a Patrol Officer, S.W.A.T. team member, School Resource Officer, and Investigator in his 30 years as a Law Enforcement Officer. He also has extensive experience in the Safety, Security, and Executive Protection Business. Vincent holds licenses as a Master Peace officer, N.R.A. certified handgun Instructor, T.C.O.L.E. instructor, Sub-machine gun instructor, and T.O.P.S. Level three firearms instructor/classroom instructor. He also has extensive training in the use of emergency first-aid, Tactical driving, and Active Shooters for schools, businesses, and churches. His skills also include coordinating and planning security events for large and small companies/individuals. His wide range of experience enables him to provide expertise in threat assessment and vulnerability analysis, which allows him to identify critical issues quickly and accurately. He has guarded celebrities, athletes, Members of Congress, and past Presidents.