KOREA WHO
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CEO of Meritz Securities
Chang Won-jae
Mathematician-Turned Financier Expands Retail Base at Meritz
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Last Updated on Mar 6, 2026
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CEO of Meritz Securities
Copy Url : https://www.koreawho.com/profile/ChangWonjae- Life Summary
Chang Won-jae is the CEO of Meritz Securities.
He leads Meritz Securities under a co-CEO system with CEO Kim Jong-min, who is responsible for the Investment Banking (IB) and management divisions.
He oversees the Sales and Trading (S&T) and retail businesses and was recruited as a crisis management expert. He is focusing on stabilizing the organization by strengthening internal controls at Meritz Securities.
He was born on June 7, 1967, in Seoul.
He graduated from Seoul Seorabeol High School and the Department of Mathematics at Seoul National University. He earned a master’s degree in mathematics from the graduate school of Seoul National University and a Ph.D. in mathematics from the University of Minnesota in the United States.
He was the first person with a science and engineering doctoral background to join Samsung Securities and served as Executive Vice President and Chief Risk Officer (CRO).
After moving to Meritz Fire & Marine Insurance, he served as the Chief Risk Officer at both Meritz Fire & Marine Insurance and Meritz Financial Group.
He later moved to Meritz Securities, where he worked as head of the Sales and Trading (S&T) division before being appointed CEO in 2023.
As a former mathematician, he has a strong grasp of numbers.
The Korean original contains a likely typo in the sentence “수학자 출신 답계 숫자에 밝다.” The word “답계” appears incorrect and is likely intended to be “답게,” meaning “as expected of a mathematician.”
He leads Meritz Securities under a co-CEO system with CEO Kim Jong-min, who is responsible for the Investment Banking (IB) and management divisions.
He oversees the Sales and Trading (S&T) and retail businesses and was recruited as a crisis management expert. He is focusing on stabilizing the organization by strengthening internal controls at Meritz Securities.
He was born on June 7, 1967, in Seoul.
He graduated from Seoul Seorabeol High School and the Department of Mathematics at Seoul National University. He earned a master’s degree in mathematics from the graduate school of Seoul National University and a Ph.D. in mathematics from the University of Minnesota in the United States.
He was the first person with a science and engineering doctoral background to join Samsung Securities and served as Executive Vice President and Chief Risk Officer (CRO).
After moving to Meritz Fire & Marine Insurance, he served as the Chief Risk Officer at both Meritz Fire & Marine Insurance and Meritz Financial Group.
He later moved to Meritz Securities, where he worked as head of the Sales and Trading (S&T) division before being appointed CEO in 2023.
As a former mathematician, he has a strong grasp of numbers.
The Korean original contains a likely typo in the sentence “수학자 출신 답계 숫자에 밝다.” The word “답계” appears incorrect and is likely intended to be “답게,” meaning “as expected of a mathematician.”
