- Ex-Project Group BATHTUB ONE (2017-2018)
- Position: Rapper, Vocalist and Dancer.
- Ex-Sub-Unit: Number One (2018)
- Training period 1 year and 9 months.
- Seoul Donggyo Elementary School
- National Traditional Arts Middle School Music Theater (Graduate)
- School of Performing Arts Seoul (SOPA) (Department of Broadcasting)
- Specialties Poppin and Beatboxing.
- Hobbies: Video games, poppin, beatbox, reading books, listening to music…
- Favorite Color Rose.
- Motto: “Practice when you have worries.
- Rolemodels: V from BTS.
- Nicknames Wink Boy, Jigoo, Ddungssi, Winkingie, Parkjwi and Wingdongie.
- MAY (besides being the name of his birthday month in English, its translation means “could” which represents infinite possibilities for him and his fans)
- He has been a child actor and trainee since the age of 7.
- He was a trainee at Fantagio Entertainment and SM Entertainment.
- When he was 14 years old, he presented himself together with Ulala Session at a concert.
- He was a model for high school textbooks.
- Ranked first in the ITEM 11 during the first 3 weeks of PRODUCE 101 in episode 5, he regained first place with more than one million votes and was the only participant to do so.
- He gained a lot of popularity thanks to his participation in PRODUCE 101 for their famous wink at the special presentation they had through M!Countdown since then he has been nicknamed “Wink Boy”.
- In the final episode of PRODUCE 101 was ranked 2nd in the ranking, achieving a place in the project group.
- His fans in China donated 1,000 trees to a forest named after him.
- On April 10, 2018, he was appointed as an ambassador of Chung-ang University for 100 years since its founding.
- Collaborated with Sung Woon on its digital single prior to its official debut and the debut mini-album with the song “잊지마요 (Don’t Forget)” Sung Woon personally asked him to participate in his song.
- Dae Hwi composed a song for his debut mini album called “Young 20”.
- 2018: April Skin
- Ha Sung Woon – Don’t Forget (2019)
- Suggi – I Feel Love (2018)
- Weak Hero (WAVVE, 2022)
- At a Distance, Spring is Green (KBS2, 2021)
- Love Revolution (Kakao TV, 2020)
- Flower Crew: Joseon Marriage Agency (jTBC, 2019)
- Iljimae (SBS, 2008)
- The King And I (SBS, 2007-2008)
- Kimchi Cheese Smile (SBS, 2007-2008)
- Peter Pan (2007-2008)
Jihoon Radio Programs
- Naver NOW ‘Ha Sung Woon’s Midnight Idol’ (23.09.2019)
Jihoon TV Programs
- Knowing Brother (jTBC, 2019) Ep. 195
- Battle Trip (KBS, 2018) together with Woo Jin
- Hello Counselor (2017) together with Min Hyun and Kang Daniel
- The Return of Superman (2017) together with Kang Daniel, Ji Sung and Seong Wu
- One Night (SBS, 2017) (Ep. 32) together Kang Daniel and Min Hyun
- Let’s Eat Dinner Together (JTBC, 2017). together with Kang Daniel
- Happy Together (KBS, 2017) together with Kang Daniel, Seong Wu, Min Hyun and Ji Sung
- PRODUCE 101 (Season 2) (Mnet, 2017)
- S0S (SBS, 2008) Special SS501
- Idol World (Mnet, 2007) Special BIGBANG
Jihoon TV Drama’s
- Talk To Me theme for At a Distance, Spring is Green (2021)
- Midnight theme for Love Revolution (2020)