M. Sussman was a Human Starfleet officer in the 22nd century.
In the 2150s, he was named as a Mission Operations officer on the dedication plaque of the NX-class starships. (ENT: "Broken Bow", dedication plaque; ENT: "Affliction", dedication plaque)
In January of 2155, he was named as a Mission Operations officer on directory placards at Starfleet Command's Fleet Operations Center, Sol Sector. His office was located in room #1181. (ENT: "Demons", directories)
This character was only mentioned in writing.
He was named after writer and executive story editor Mike Sussman