Sean Mannix

Sean Mannix is a dedicated law enforcement professional with an impressive 36-year career in public safety. Throughout his service, he held various leadership roles, including Assistant Chief of Police in Austin and Chief of Police in Cedar Park, Texas. His work has focused on refining policing techniques, advancing officer training, and fostering strong ties between law enforcement and the community. Following retirement in 2020, he became the Statewide Traffic Incident Management Coordinator for the Texas Department of Transportation.

Born in California, Sean grew up as one of five siblings. He was inspired to pursue a career in law enforcement by his father, who also worked in the field. At 18, he enlisted in the U.S. Marine Corps Reserve, an experience that helped him develop leadership skills and a solid work ethic.