1. Billionaire Jay Y. Lee
According to Forbes updated on January 24, 2026, Korean billionaire Jay Y. Lee owns an estimated fortune of 19.1 billion USD, ranking 132nd in the list of the richest people in the world.
Jay Y. Lee currently holds the position of CEO of Samsung Electronics, and is also the head of the largest corporation in South Korea. He was appointed to this position in 2022, after the chairmanship left vacant since his father passed away in 2020.
2. Billionaire Michael Kim
The list of world billionaires updated by Forbes on January 24, 2026, records that Mr. Michael Kim owns assets of about 9.5 billion USD, ranking 353rd in the world.
Michael Kim is the co-founder of MBK Partners, a private investment fund headquartered in Seoul, with a total value of managed assets estimated at about 30 billion USD.
3. Billionaire Seo Jung-jin
In the list of world billionaires, Mr. Seo Jung-jin ranks 415th, with an estimated fortune of 8.4 billion USD.
He is the co-founder of Celltrion, a biopharmaceutical company specializing in producing drugs to treat cancer, flu, rheumatoid arthritis and many other diseases.
4. Billionaire Cho Jung-ho
According to Forbes updates, billionaire Cho Jung-ho owns assets of about 7.6 billion USD, ranking 499th in the list of the richest people in the world.
Mr. Cho Jung-ho is currently Chairman of the Board of Directors of Meritz Financial Group, who used to work for Korean Air in Europe.
5. Billionaire Chung Mong-joon
Korean billionaire Chung Mong-joon owns assets of about 3.4 billion USD, ranking 1,223rd in the ranking of the richest people in the world, according to Forbes.
He is the largest shareholder of Hyundai Heavy Industries, and also the sixth son of the late Hyundai Group founder Chung Ju-yung.
