Blackpink Jisoo is the oldest member of Blackpink. She was born on January 3, 1995. Blackpink Jisoo debuted with Jennie, Lisa, and Rose in Blackpink.

Blackpink Jisoo occupies the position as lead vocalist and visual. Her visuals received a lot of praise from netizens and were dubbed the best visuals of third generation idols along with Red Velvet's Irene and Twice's Tzuyu.

Blackpink Jisoo joined Blackpink as a trainee in July 2011 when she was 16 years old. Before debuting, Blackpink Jisoo appeared in various commercial advertisements with actor Lee Min-ho and with their seniors iKON.