Collins was an ensign in Starfleet in 2368, assigned to the USS Enterprise-D.

Collins was a transporter officer, that beamed Ensign Ro Laren aboard, once orders had been approved from Admiral Kennelly through Captain Picard. (TNG: "Ensign Ro")

Ensign Collins was played by actor Harley Venton, who later returned as a different transporter chief, Hutchinson in "Hero Worship".
His name comes from the script.