Choi haes played in 1996 Simmer Olympics an representit his kintra at 1998 an 2002 FIFA Warld Cup. In Australie an Pakistan, Choi is kent as "Younis Choi", gien tae him in recogneetion o his law, swervin shots on goal - hintle lik the signature delivery bouled bi Pakistani cricketer Waqar Younis.
He wis appointit as assistant coach o FC Seoul in Januar 2006. In Apryle 2011, he wis promotit as the caretaker coach. Efter leadin club tae a fift place, he wis namit as club's permanent coach in Dizember 2012 an wan the 2012 K-League.
He divorcit his wife in November 2006 efter a 15-month-lang marriage. His umwhile wife, a ane-time contestant in a Miss Korea pageant, went throu the legal procedurs tae tak hauf the estate properties unner Choi's name per thair prenuptial greement.