Seo Jung-jin

South Korean billionaire (born 1957)

Seo Jung-jin (Korean: 서정진; born October 23, 1957) is a South Korean businessman. He is among the richest people in South Korea, with Forbes giving his December 2024 net worth as US$7.2 billion and ranking him the third richest in the country.²

From Wikipedia’s article on Seo Jung-jin (this version), CC BY-SA 4.0.

Born Oct 23, 1957.¹

About

He is chairman and cofounder of the pharmaceutical company Celltrion.

From Wikipedia’s article on Seo Jung-jin, shared under CC BY-SA 4.0.²

Companies

CelltrionFounder⁹

Early life and education

Date not recordedKonkuk University bachelor's degree³
Date not recordedJemulpo High School³
Date not recordedKonkuk University master's degree³

Career

Occupation: entrepreneur.⁵

Date not recordedFounded Celltrion⁴

Personal life

BornOct 23, 1957, North Chungcheong⁶
CitizenshipSouth Korea⁷
Children4⁸

Seo has two sons. His first son, Seo Jin-seok (서진석), is chairman of the board at Celltrion and Celltrion Pharm. His second son, Seo Jun-suk (서준석), is Celltrion Healthcare's chairman of the board. Their 2024 appointments to leadership positions in the company reportedly appeared to contradict a previous statement that he had made in 2019, where he claimed his intent was to have non-family members lead the company.

Seo was in a common-law relationship with a woman from 2001 to 2012. By 2023, she was reportedly CEO of Seorin Holdings and Seowon D&D, affiliates of Celltrion. He had two daughters with this woman, although their relationship became strained and they fell out of contact. He paid child support to this woman; he alleged that she demanded more money from him, and that he filed a police report against her. In 2021, his family register was updated to include these two daughters.