- Yang, Hee Cheol (양희철)
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해양법연구센터
- Yang, Hyun Sung (양현성)
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Jeju Marine Research Center
제주특성연구센터
- Yang, Seung Jin (양승진)
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Deep-sea Mineral Resources Research Center
심해저광물자원연구센터
- Yeom, Hyeon Jeong (염현정)
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Facilities Safety and Security Unit
안전보안시설단
- Yi, Jin-Hak (이진학)
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Coastal Development and Ocean Energy Research Center
연안개발·에너지연구센터
- Yi, Ung Yul (이웅열)
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Management Division
경영본부
- Yim, Hyung Soon (임형순)
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Marine Biotechnology Research Center
해양생명공학연구센터
- Yim, Un Hyuk (임운혁)
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Risk Assessment Research Center
위해성분석연구센터
- Yoo, Chan Min (유찬민)
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Deep-sea Mineral Resources Research Center
심해저광물자원연구센터
- Yoo, Jeseon (유제선)
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Marine Disaster Research Center
해양재난·재해연구센터
- Yoo, Lee Sun (유이선)
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Marine Security and Safety Research Center
해양방위·안전연구센터
- Yoon, Gil Lim (윤길림)
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Coastal Development and Ocean Energy Research Center
연안개발·에너지연구센터
- Yoon, Hyunjin (윤현진)
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Global Ocean Research Center
대양자원연구센터
- Young Shin, Kwon (권영신)
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Marine Ecosystem Research Center
해양생태연구센터
- Young, Jun An (안영준)
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Marine Biotechnology Research Center
해양생명공학연구센터
- Yu, Ok Hwan (유옥환)
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Marine Ecosystem Research Center
해양생태연구센터
- Yum, Seung Shic (염승식)
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Risk Assessment Research Center
위해성분석연구센터
- Yun, Sora (윤소라)
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Marine Spatial-Environmental Policy Research Section
해양공간·환경정책연구실
- - (김정원)
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Facilities Safety and Security Unit
안전보안시설단
- - (노수연)
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해양순환연구센터
- - (이종훈)
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Marine Biotechnology Research Center
해양생명공학연구센터
- - (한정훈)
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Marine Bio-Resources Research Unit
해양생물자원연구단
- - (명세훈)
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Dokdo Research Center
독도전문연구센터
- - (이동욱)
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Marine Active Fault Research Unit
해저활성단층연구단
- - (주호정)
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해양기후예측센터
- - (최헌회)
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Management and Planning Department
기획부
- - (권소연)
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Marine Environmental Research Center
해양환경연구센터