Presley was a Starfleet Admiral who lived in the 24th century.

In 2355, Admiral Presley asked Elias Vaughn to investigate a brewing coup d'état on Gemworld. (DS9 novel: Lesser Evil)

Vaughn spoke to Admiral Presley, as well as Vice Admiral Richardson and Captain Lily Shalhib, in early 2376 to tell them he wanted to become Deep Space 9's new first officer. The three agreed and Presley offered his congratulations to Vaughn. (DS9 novel: Avatar, Book Two)