Sana Minatozaki (湊崎 紗夏) known mononymously as Sana was born on December 29, 1996 in Tennōji-ku, Osaka, Japan. She is a member of JYP's Twice.
Sana attended EXPG (Exile Professional Gym) Osaka branch, a dance and vocal studio where many Japanese idols trained, including some members of E-girls, Generations and The Rampage, from 2009 to early 2012. She first got interested in K-pop because of Girls' Generation's and KARA's rising popularity in Japan. In her last year of middle school, she was scouted by JYP Entertainment on the street while shopping with her friends and auditioned on April 13, 2012. In 2014, she appeared in the music video of Got7's "A" and Junho's "Feel", making her noticeable and likeable by the public eye.