This document introduces three members of the popular K-pop girl group Girls' Generation: Jessica, Yoona, and Tae-yeon. It provides brief biographies of each member, including Jessica's background growing up in San Francisco and being fluent in both English and Korean, Yoona's debut as an actress in the 2007 drama "Two Outs in the Ninth Inning", and Tae-yeon being a member of Girls' Generation, its subgroup TTS, and the ballad group S.M. The Ballad.