Tom Corbin was a science officer, stationed onboard the Enterprise-D in the late 24th century.
In 2367, Corbin was working together with Keiko O'Brien on some projects. When her husband, Miles O'Brien, was unable to dream due to an alien telephatic wave, he got extremely jealous on Tom Corbin and accused Keiko of cheating on him with Corbin. (TNG: "Night Terrors")
This character existed only in dialogue.