Center back who joined Guangzhou Evergrande in 2012 after spending a year with Omiya Ardija. He became a member of the South Korean national team in 2010.
He spent his youth soccer career with Jeonju University.
He debuted professionally for FC Tokyo in 2010.
He was born in Jeonju, South Korea.
He and Park Ji-Sung became teammates on the South Korean national team.