Kim Sungkyu (김성규) (born April 28th, 1989 in North Jeolla, South Korea) is the leader and one of the two main vocalists of INFINITE since June 9, 2010. Sungkyu made a solo debut with his mini album 'Another Me' in 2012 and released his first album on February 26th of 2018, '10 Stories' which he had worked on with Jongwan of NELL during the year INFINITE were on hiatus.