T'Keris

T'Keris was a final-year cadet at Starfleet Academy in the 2350s.

T'Keris studied Advanced Security Techniques in the same class as Tasha Yar circa 2358. T'Keris was also an expert in architecture.

Commander Darryl Adin mentioned this to Yar as an example of the usefulness of knowing the talents of one's teammates.