Park So-jin

Park So-jin (born May 21, 1986), better known mononymously as Sojin, is a South Korean singer and actress. She is best known as the leader of South Korean girl group Girl's Day. Early life and education Park So-jin 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. Career Pre-debut Prior to her debut, Sojin worked as a vocal trainer for the K-pop boy band Ulala Session.