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Jung Sung-jae

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Jung Sung-jae
정성재
Born1967 (age 57–58)
Education)
OccupationBusinessman
Known forFounding Classys

Jung Sung-jae (Korean정성재; born October 1967) is a South Korean entrepreneur and former dermatologist. He is the founder and former chief executive officer of Classys [ko], a medical aesthetics device manufacturer, and a co-creator of Dr. Jart+.[1][2] Forbes estimated his net worth at US$760 million in 2025.[3]

Early life and education

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Jung Sung-jae was born in October 1967.[4] He attended Hanyang University,[5] where he earned a bachelor's and master's degree in medicine.[6]

Career

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Medical career

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From 2002 to 2012, he served as the director of Soft Touch Dermatology Clinic (소프터치 피부과).[7]

Classys

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In 2007, while still working as a dermatologist, Jung founded Classys.[8]

In 2017, the company went public on the KOSDAQ.[7]

In 2022, Bain Capital Private Equity acquired a 60.84% stake in Classys for 670 billion Korean won.[9] Jung and his family collectively sold their majority stake while retaining approximately 12.93% ownership in the company.[6][10]

Personal life

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Jung is married to Lee Yeon-joo. They have two children.[6][3]

References

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  1. ^ Kang, John (April 14, 2025). "K-Beauty Boom Lands Former Dermatologist On Korea's 50 Richest List". Forbes. Retrieved 2025-07-12.
  2. ^ Austin, Clare (2017-02-27). "Just what the doctor ordered: the philosophy of Dr.Jart+". Moodie Davitt Report. Retrieved 2025-07-13.
  3. ^ a b "Jung Sung-jae". Forbes. Retrieved 2025-07-12.
  4. ^ "임시주주총회결과". KOSDAQ.
  5. ^ "Jung Sung-Jae". Bloomberg. Retrieved July 13, 2025.
  6. ^ a b c Yoon, Seo-yeon (April 8, 2022). "[공시王] 정성재 클래시스 창업주, 지분 팔아 6700억원 현금 확보". Infostock Daily (in Korean). Retrieved 2025-07-12.
  7. ^ a b Kim, Jae-hoon (April 18, 2025). "'K뷰티 신데렐라' 정성재 클래시스 창업자, 한국 부자 43위 올라". Insight Korea (in Korean).
  8. ^ "'아빠 찬스'로 900억 돈방석… 클래시스 매각의 이면". 시사위크 (in Korean). 2022-01-28. Archived from the original on 2022-05-21. Retrieved 2025-07-12.
  9. ^ "Bain Capital buys 61% stake in Kosdaq-listed Classys for $553 mn - 매일경제 영문뉴스 펄스(Pulse)". Pulse (in Korean). Retrieved 2025-07-12.
  10. ^ Park, So-hee (January 27, 2022). "클래시스 최대주주, 베인캐피탈에 경영권 지분 매각". ebn.co.kr (in Korean).