Park Sojin
Park Sojin , most often credited as Sojin, is a South Korean idol singer. She is the leader of the girl group Girls Day under Dream Tea Entertainment.
Sojin was born on May 21, 1986, in Daegu, South Korea. She attended Lee Hyun Elementary School, Seojin Middle School and Kyungduk Girls High School. She majored in Mechanical Engineering at Yeungnam University.
Source: Wikipedia