Sandy Veneziano was a Starfleet officer in the 23rd and 24th centuries.
In 2293, she was listed as a Office of Science Ops officer on the dedication plaque of the USS Enterprise-B. (Star Trek Generations, dedication plaques)
In 2364, she was the commander of the USS Omaha Nebraska. After stardate 41645.3, she was informed that her request for additional fuel allotments was denied in an order sent by Admiral Erma Felna of Starfleet Tactical Command. (TNG: "Conspiracy", okudagram)
This character was only mentioned in writing.