A person was born on March 17, 1987.

Chan Sung Jung made his professional debut in mixed martial arts in 2007, finishing five out of his first six opponents while competing in South Korea.

In 2008, he achieved victory over Michihiro Omigawa in a DEEP bout.

Information about this event is not provided.

In WEC 48 on April 24, 2010, Chan Sung Jung lost a three round split decision to Leonard Garcia in a highly acclaimed bout known as the 'Fight of the Decade'.

In WEC 51, Korean Zombie fought against Roop and lost by KO with a head kick.

Six months after a loss, Chan Sung Jung made his UFC debut against Leonard Garcia. He trained at Team Alpha Male and promised to finish Garcia without needing judges. This fight was crucial for his career as a loss would mean being cut by the UFC.

On March 27, 2011, the individual returned after completing two years of military service.

At UFC 140 on December 10, 2011, Chan Sung Jung knocked out Mark Hominick in just 6.2 seconds of the first round.

On May 15, 2012, The Korean Zombie had an epic battle with Dustin Poirier, which was recognized as the Fight of the Year by multiple organizations including ESPN and Sherdog.

Chan-Sung Jung, also known as the Korean Zombie, had a chance to lift the popularity of MMA in Korea by facing long-time champion Jose Aldo at UFC 163. This fight was highly anticipated and received significant attention from the mass media in Korea, potentially leading to the growth of MMA popularity in the country.

Chan Sung Jung replaced an injured fighter to face José Aldo for the UFC Featherweight Championship. Aldo defeated Jung via fourth-round TKO, leading to Jung suffering a dislocated shoulder during the fight.

In mid-October 2014, Chan Sung Jung announced his intention to begin mandatory military service in South Korea, indicating a break from mixed martial arts for two years.

Train to Busan follows passengers on a train as a zombie outbreak occurs. The virus spreads rapidly, leading to chaos as they try to reach a quarantine zone in Busan. The film explores themes of fear and survival.

After a three and a half year layoff, Chan Sung Jung made his awaited return to the UFC by knocking out Dennis Bermudez in the main event of UFC Fight Night 104. Despite questions about ring rust, he showcased his skills and ended the fight in under three minutes.

The UFC event titled UFC Fight Night featured a match between Korean Zombie and Rodriguez on November 10, 2018. The fight ended with a knockout or technical knockout (KO/TKO) victory, with the winning move being an elbow strike delivered at 4 minutes and 59 seconds of the match.

On June 22, 2019, Chan Sung Jung, also known as The Korean Zombie, emerged victorious over Renato Moicano by using strikes in the first round at :58.

On December 21, 2019, Chan Sung Jung, also known as The Korean Zombie, won the fight against Frankie Edgar by using strikes in the first round at 3:18.

In this UFC event, Korean Zombie faced Ortega and won by unanimous decision.

On October 18, 2020, Chan Sung Jung faced Brian Ortega in a five-round unanimous decision at UFC Fight Night, resulting in a loss for The Korean Zombie.

The UFC event where Chan Sung Jung faced off against Dan Ige and emerged victorious.

Chan Sung Jung challenged Alexander Volkanovski for the UFC Featherweight Championship at UFC 273. Jung lost the fight via TKO early in round four after being out struck and knocked down multiple times.

The Korean Zombie decides not to retire despite not having long-term goals. He recently lost a fight to Alexander Volkanovski.

Chan Sung Jung faced Max Holloway for the last time in his MMA career at UFC Fight Night 225. Jung lost to Holloway via third-round KO and announced his retirement after the fight, earning a Fight of the Night award.