Yoon Jeong-han (Korean: 윤정한, born 4 October 1995), known mononymously as Jeonghan, is a South Korean singer. Managed by Pledis Entertainment, he is a member of the South Korean boy band Seventeen, its vocal team, and its second subunit, JxW.
Early life and education
Yoon Jeonghan was born in Hwaseong, South Korea, on 4 October 1995. He has a younger sister. Jeonghan attended Hyangnam High School [ko] and graduated in 2014 as a natural science major. In 2022, he enrolled in a master's degree at Anyang University, majoring in K-pop and business administration under the Department of Applied Music.
Career
2012–2014: Pre-debut
Jeonghan was scouted by Pledis Entertainment at a subway station. After passing auditions, Jeonghan joined Pledis in 2013 and went on to receive training for the next two years. He was regularly featured on Seventeen TV, an online reality series that introduced Pledis' trainees as potential members of the then-upcoming boy group Seventeen, from its third season onward. The show was broadcast periodically on Ustream, where the trainees showed themselves training, singing, creating choreographies, and playing games. The online show also included participation in concerts, titled Like Seventeen.
2015–present: Seventeen and solo activities
In 2015, Jeonghan debuted as a member of the South Korean boy group Seventeen with the extended play 17 Carat on 26 May.
On 16 September 2021, Jeonghan released a digital song named "Dream" in both Korean and Japanese, written and produced by himself and regular Seventeen collaborator Prismfilter.
In March 2022, Jeonghan released a cover of Japanese musician Mosawo's "Aitai" as a part of Seventeen's ongoing #17Studio series. In April, Jeonghan was announced as a new presenter of Tokyo FM's School of Lock program, a weekly radio show featuring musicians aiming to "hold the key to the future". He held the role until December 2023, when it was taken over by bandmate Dino. In June of 2022, Jeonghan underwent surgery for an elbow injury. It was stated that he would continue participating in the group's scheduled activities, such as Seventeen's Be The Sun World Tour while wearing a cast and brace, and would also receive ongoing medical consultations.
In 2023, Jeonghan and bandmate Dino were cast in MBC every1's reality show Magic Lamp (요술램프) alongside Kim Jae-joong, Kang Hui, Lee Joo-ahn, Junpi, and Tan. The program aired during September and October that year, and entailed the group travelling together in Montpellier, France. On 14 December 2023, Pledis announced that Jeonghan underwent ankle surgery and would be absent from the group's Follow Tour and scheduled activities. On 23 February 2024, Pledis announced that Jeonghan's health had recently improved and he would return from his hiatus starting from March onward.
In June 2024, Jeonghan and his groupmate Wonwoo debuted as a new sub-unit under the name JxW with the single album This Man in June 2024. The tracklist includes Jeonghan's first commercially released solo track, titled "Beautiful Monster". Achieving commercial success, This Man broke the first-week sales record for an album released by a K-pop sub-unit within four days of its release.
In August 2024, Jeonghan and Japanese actor Kento Yamazaki were featured in a travel show titled Yamazaki Kento and Jeonghan's Miracle Journey in Korea (Japanese: 山﨑賢人×Jeonghan 奇跡旅in韓国), broadcast by Nippon TV and Hulu Japan. On 27 January 2025, Jeonghan released the song "Better Half" featuring Japanese band Omoinotake. A Japanese version of the song was featured on Omoinotake's second album Pieces, released two days later.
