16.12.1970 (53 gadi)
Jung Jae-sung (also spelled Chung Jae-sung; Hangul: 정재성; Hanja: 鄭在成; Korean pronunciation: [tɕʌŋ.dʑɛ̝.sʌŋ]; 25 August 1982 – 9 March 2018) was a South Korean professional badminton player. Jung was born on 25 August 1982 in Jeonju, Jeollabuk-do. He started playing badminton at 7, at his local elementary school. He entered the South Korea national badminton team in 2001.