T. Chavez was a Human Starfleet officer in the 22nd century.
In January of 2155, he was listed as a Guidance and Navigation officer on directory placards at Starfleet Command's Fleet Operations Center, Sol Sector. His office was located in room #3453. (ENT: "Demons", directories)
This character was only mentioned in writing.
T. Chavez was named after Enterprise propmaker Tony Chavez.