Seo Minwoo 서민우 is 100%'s leader.
Minwoo was born on Friday, February 8, 1985. As the group's oldest member, he's 8 years, 10 months, and 12 days older than the maknae, Hyukjin.
Minwoo and fellow member Rokhyun were both born in February, 2 days apart in different years. The two of them were born under the zodiac sign Aquarius.
He was born in the Chinese Year of the Rat. His blood type is O, the same as Chanyong's.
At 177 cm or 5'9½", Minwoo is the same height as Jonghwan.
He was born in Daegu. He has one brother and two sisters.
Minwoo studied at Kyungpook National University after attending Daeryun High School. He also went to Kyungdong Elementary School and Dong Daegu Middle School.
He's already served his mandatory military service, having taken a break from 100% to do it.
Before debuting, Minwoo was an actor, appearing in various movies and dramas. He's a former ulzzang.
His hobbies are bowling, online gaming, and painting.