Professional golfer who played in the PGA Tour, and has finished as the runner-up in PGA events five times. Known as a pioneer of the stack & tilt method, he finished 2009 in the top 100 golfers in the world before retiring in 2017.
He studied at the UC Berkeley. He turned pro in 1995 after winning the Southern California Amateur tournament.
He won the Maybank Malaysian Open on the Asian/European Tour in 2006. He has worked as a golf instructor at the TPC Valencia golf club.
He was born in Seoul, South Korea, and moved to Los Angeles with his family at age 10.
He was pictured with Larry Fitzgerald on his cwigolf Instagram account in March 2020.