Ji has been married to a lovely lady Ryu Su-jung since a long time. As a loving husband and wife, they have welcomed a son named Jee Hyun-woo. His nationality is South Korean. He has Korean ethnicity.
Ji became popular after he released his debut album under the title I Know in 1992. Later on he established himself as a comedian, TV presenter and TV show host. He made his TV debut in 2004 as the host of KBS2 Heroine 6. He hosted this show for about two years. During that year he also hosted the show KBS2 Star Golden Bell. He is also known for being the host of the shows like High-Five, Truth Game, Cider, Death Camp 24 Hours and so on. In 2008, he was seen in a popular South Korean variety show Happy Together. These days he is popular for being the host of a South Korean variety show Running Man. Two decades later after he released his debut album, he released a single under the title Saying I Love You in 2014. In 2015, he released Romance for 7 Days OST. He is now aged 50 years old. His net worth is unknown.