Henry was born in Galveston, Texas and is a lifelong resident of Galveston County.
He began his law enforcement career with the Galveston County Sheriff’s Office in 1983. While working as a jailer, Henry attended the Police Academy at night to earn his Peace Officers Certification.
Henry continued to advance his law enforcement education in various certifications in his field. Henry is a graduate from both state and nationally recognized law enforcement schools, the Law Enforcement Management Institute Command College and the FBI National Academy.
Henry held the ranks of Sergeant, Lieutenant, Captain and Major over multiple divisions in the Sheriff’s Office before being elected Sheriff.
Henry is married to his wife Brenda. They have three children and seven grandchildren.