Drysi Gravenor was a female Starfleet Special Operations officer serving in the early 24th century and often thought of a mentor by Elias Vaughn. She was raised in Wales on Earth and was short and petite with straight dark hair. She stood at about 1.5 meters.

In 2311, she held the rank of Commander and was part of the team responsible for capturing the romulan flagship Tomed. She was responsible for stealing the cloaking device from Tomed and installing it on a shuttle (TLE novel: Serpents Among the Ruins).