Joh Sung-wook

Joh Sung-wook (; born 1964) is a professor of finance at Seoul National University Business School who served as the chairperson of Fair Trade Commission (KFTC) under President Moon Jae-in from 2019 to 2022. She was the first woman to lead the South Korean antitrust agency since its creation in 1980s. Previously, she was also the first Korean woman to study doctorate-level economics at Harvard University as well as the first woman to join faculty of business schools at Korea University and most recently Seoul National University respectively.

As chairperson of the Fair Trade Commission, the role to which Joh was appointed in 2019, she was reportedly regarded to take similar stances and leadership as her predecessor Kim Sang-jo, President Moon Jae-in's first KFTC chairperson and top policy aide. Joh and the head of Financial Services Commission who both serve with the fixed term of three years have expressed their intentions to resign upon the inauguration of the new administration following the customs of their predecessors.

Other roles Joh also took various roles in academia. She is an honorary president of Financial Information Society of Korea and an auditor of Korea Monetary and Finance Association which she previously served as its president and vice-president respectively. She is also a board member of Korea Academic Society of Industrial Organization. From 2010 to 2013 Joh was one of non-executive directors of Hanwha Group one of South Korean Chaebols.

She served as a visiting scholar at International Monetary Fund in 2008 and a visiting research fellow at Development Bank of Japan in 2004.

Research Her article in 2003, which identified poor corporate governance as a cause of 1997 Asian financial crisis in South Korea, is in the Hall of Fame at Journal of Financial Economics.