M. Westmore was a Human Starfleet officer in the 22nd century.
In 2151, he was listed as an Orbital Ergonomics officer on the dedication plaque of the Enterprise NX-01. (ENT: "Broken Bow", dedication plaque)
In 2154, he was listed as a member of the Flight Test Crew on the dedication plaque of the Columbia NX-02. (ENT: "Affliction", dedication plaque)
In January of 2155, he was listed as an ADCO officer on directory placards at Starfleet Command's Fleet Operations Center, Sol Sector. His office was located in room #3517. (ENT: "Demons", directories)
He was named for makeup artist, designer and supervisor Michael Westmore.