M. Sussman was a 22nd century member of the United Earth Starfleet, one of the officers listed on the dedication plaque of Enterprise NX-01. Sussman was listed in the group of names of representatives from Starfleet Command. (Star Trek: Enterprise set artwork)

In January of 2155, Sussman was working in Mission Operations at the Fleet Operations Center on Earth. Sussman's office was in room 1181. (ENT: "Demons" set artwork)