She is the youngest member of the South Korean band Girls' Generation.
She s the only member of Girls' Generation that was born as an only child.
Dubbed the voice of Edith for the Korean versions of both "Despicable Me" and "Despicable Me 2".
Seohyun named United Nations Secretary-General Ban Ki-moon as her life mentor and role model, stating that his book, at one point in time, had helped her endure hard times.
Seohyun graduated from Jeonju Arts High School in February 2010. She went on to major in theatre acting and graduated from Dongguk University in August 2014, receiving an achievement award at the graduation ceremony.
In 2013, as an effort to help less-fortunate students with their studies, she donated 100 million Korean won to Dongguk University.
She can play Violin, Korean Drums, Piano and guitar.