Bob Sordal was a member of Starfleet in the 24th century.
As a captain, he was listed as Orbital Operations Division personnel on the dedication plaque of the USS Brattain in 2345. (TNG: "Night Terrors")
In 2353, Sordal was listed on a directory placard as having an office in room 65114 on Starbase 32. (TNG: "Violations")