At the age of 19, Troy enlisted in the U.S. Army Reserve. He deployed on combat tours to Iraq and Afghanistan, among other places. After 21 years of service, he retired with the rank of Major and as the recipient of two Bronze Star medals. Back home, Troy continued his service through law enforcement, a multi-generational tradition for his family.

In 1994, Troy began his law enforcement service with Fort Bend ISD. He spent the next twenty-six years serving Fort Bend County in various law enforcement roles. From 2004 to 2012, he served two terms as the elected Constable for Ft. Bend County Pct. 4. After two successful terms as Constable, Troy was elected as Fort Bend County Sheriff in 2012. In 2016, Troy was re-elected and completed his second term in December 2020.

In his 8 years as Sheriff, Troy maintained his fiscal conservative principles while overseeing 826 staffers and managing the $79 million budget allotted to the Fort Bend County Sheriff's Office. He created cutting edge recidivism reduction programs such as Heating, Ventilating, and Air Conditioning (HVAC) and a welding training programs for non-violent offenders to equip Fort Bend County inmates with job-ready skills following their release-all at no cost to taxpayers. He used his position as Sheriff to advance awareness in mental health by hosting various awareness-campaigns and playing a critical role in the launch of a mental health unit specialized in responding to dispatches relating to mental illness. Most notably, in his eight years as Sheriff, burglaries were reduced 60%, aggravated assaults were reduced 27%, and robberies were reduced 31%.

Troy was officially sworn in as Congressman for Texas' 22nd District on January 3rd, 2021. Troy received his bachelor's degree from Liberty University and his master's degree from the University of Houston Downtown. He resides in Richmond with his wife, Jill, daughters, Jenna, Cambry, and Tori, and their four dogs Archer, Buddy, Boo, and Lulu. They worship at Faith United Methodist in Richmond.