Park Seong-hoon (; born 18 January 1971) is a South Korean politician, lawyer, and former economic official who has served as a member of the National Assembly for Busan Buk B since 2024. A member of the People Power Party, he has served as the party's chief spokesperson since August 2025 and was Vice Minister of Oceans and Fisheries in 2023.
Early life and education Park was born in Busanjin District, Busan, in 1971 and graduated from Dongsung High School in Busan. He studied political science at Seoul National University, passing the 37th national administrative examination in 1993 while still enrolled, and later passed the 43rd bar examination. He completed a Master of Public Administration at the Harvard Kennedy School in 2010.
Career as an official Park began his career in the public service and rose through the budget and finance ministries, serving in the Ministry of Economy and Finance as a division director in the planning and coordination office and as director of the multilateral customs cooperation division, and working at the World Bank as a senior specialist for private investment and finance. He served as an administrative officer in the presidential office of the Lee Myung-bak administration from 2011 and as a senior administrative officer in the economic and financial secretary's office of the Park Geun-hye administration from 2015, and was seconded to the National Assembly's Special Committee on Budget and Accounts, where he became a chief expert adviser.
Park served as deputy mayor for economic affairs of the Busan Metropolitan Government and contested the People Power Party primary for the April 2021 Busan mayoral by-election, which Park Heong-joon won; he subsequently served as special economic adviser to the mayor and took part in the city's bid for Expo 2030. Following the election of Yoon Suk Yeol as president, he served as economic aide to the president-elect on the transition committee and then as secretary to the president for national policy planning in the presidential office. On 3 July 2023 he was appointed the eighteenth vice minister of oceans and fisheries, serving until 27 December 2023.
National Assembly Park won the People Power Party nomination for the newly created constituency of Busan Buk B through a four-way primary ahead of the April 2024 general election. In the election on 10 April 2024 he became the constituency's first member of the National Assembly, receiving 44,886 votes, 52.56 percent, against 40,499 votes for Jung Myung-hee of the Democratic Party of Korea.
In April 2025 Park was appointed chief spokesperson of the party's Busan chapter. He served as chief spokesperson of the People Power Party under the emergency leadership of Song Eon-seok, and on 28 August 2025 he was appointed chief spokesperson under the new party leader Jang Dong-hyuk, serving alongside Choi Bo-yun.
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