Chris "The Dragon" John is the fourth Indonesian boxer to win a world title, following Ellyas Pical, Nico Thomas and Muhammad Rachman.

He is the second son of four siblings of Johan Tjahjadi (real name: Tjia Foek Sem) who is of Chinese descent and Maria Warsini.

John's Father inspired him by regaling with stories of hard fought battles and triumphant victories.

John was given the opportunity to fight hard-hitting Oscar León of Colombia for the WBA featherweight title on 26 September 2003 in Bali.

[2] After defeating Osamu Sato in Tokyo, Japan, John was given the opportunity to fight Jose Rojas of Venezuela in Tenggarong, East Kalimantan.

Preparing for this bout Chris joined Harry's Gym in Perth, Australia, where he is currently trained and managed by Craig Christian.

Heading to the bout, Derrick was favourite to take the title he lost 2 years ago to Lineal Champion Juan Manuel Marquez.

[3] Despite scoring a first round knockdown, Derrick Gainer's attempt to once again win a world featherweight title failed at the Britama Arena Sport Hall in Jakarta, Indonesia.

[4] In the year of 2006, quadruple champion Juan Manuel Márquez challenged Chris for his WBA featherweight championship.

In 2012, following Marquez's upset win over Pacquiao, Chris John called him out for a second bout to be staged in Singapore or Macau in a neutral ground.

Australian promoter Angelo Hyder said he would propose a fight at lightweight, meaning the Mexican would have to shed weight and John would have to gain about four kilograms (nine pounds).

A lot of hype was built up coming into the fight due to the history of world war two as Indonesia was a colony of Japan.

The long-awaited rematch between Chris John and Rocky Juarez was staged in the MGM Grand Garden Arena in Las Vegas, as part of the undercard to Floyd Mayweather Jr. vs. Juan Manuel Márquez.

Chris John successfully defended his WBA featherweight title for the 17th time on Friday in Singapore, as the Indonesian Pride beat Thailand's Chonlatarn Piriyapinyo by unanimous decision, with scores of 117-111, 119-109, and 119-109.

[11]" In the Post fight interview, Chris John called out fellow champions Daniel Ponce de León, Billy Dib and Orlando Salido from other associations for a unification bout for the featherweight belt.

Fighting on April 14, 2013 at the Indoor Tennis Stadium, Jakarta, Indonesia, John suffered severe bleeding from his temple and forehead due to the headbutt which happened in round 3 of 12.

Announcing his retirement on RCTI (Indonesia) Live with trainer Craig Christian and management team of Yonathan Periatna and Tony Tolj (Australia) and Angelo Hyder.

John was named awarded the Fighter of the Decade for the 2000s by the WBA, in a ceremony which took place in Panama City on 29 February 2012.