T'Shanik was a Federation citizen, a Vulcan female serving in Starfleet from the 2370s decade. (NF - No Limits short story: "Making a Difference")
T'Shanik was from the city Vulcana Regar. (TNG episode: "Coming of Age")
In 2364, T'Shanik was one of the Starfleet Academy hopefuls who took the entrance exam on Relva VII, along with Oliana Mirren and Wesley Crusher. All three of them lost out to Mordock.
Upon meeting Crusher, she commented that he did not look old enough to meet the age requirement for the exam. Later, T'Shanik congratulated Mordock on his win. (TNG episode: "Coming of Age")
She graduated from Starfleet Academy circa 2370, and as of 2373, was flight controller aboard the USS Excalibur under Captain Morgan Korsmo, who considered her the best natural pilot he had ever seen. She transferred off the Excalibur following that ship's engagement with the Borg over Earth and the death of Captain Korsmo. (NF - No Limits short story: "Making a Difference")
By October 2385, T'Shanik was pilot of the USS Prometheus. (PROM novel: Fire with Fire)