T'Viri was a silver-haired Vulcan female Starfleet officer in the 22nd century.
History[]
By 2162, T'Viri held the rank of admiral and was serving as a Federation joint chief in charge of research & development and administration for Starfleet.
In that year, she attended a meeting in the Presidential Office at which Admiral Jonathan Archer presented Dr. Phlox's findings about the newly discovered dangers of the transporter technology. (ENT - Rise of the Federation novel: A Choice of Futures)