2021-present Associate Professor, Department of Aerospace Engineering, SNU

2019-2021 Assistant Professor, Department of Aerospace Engineering, SNU

2016-2019 Assistant Professor, School of Mechanical Engineering, GIST 

2013-2016 Research Scientist, King Abdullah University of Science and Technology, SA

2011-2012 Research Associate, University of Cambridge, Cambridge, UK

2009-2010 Principal Researcher, LIG Nex1, Seoul, Korea

2007-2007 Visiting Researcher, University of Cambridge, UK

2005-2006 Visiting Researcher, California Institute of Technology, USA

1999-2007 Researcher, Agency for Defense Development, Daejeon, Korea

2009 Ph.D. in Aerospace Engineering, Seoul National University, Korea

1999 M.S. in Aerospace Engineering, Seoul National University, Korea

1997 B.S. in Aerospace Engineering, Seoul National University, Korea

Aerodynamic stability of Earth re-entry and Mars atmospheric entry

Propulsion systems using storable propellants for space missions: Lunar landing, Mars exploration, Reusable space vehicles

Plume-induced dust flow during Lunar landing

Control of hypersonic boundary layer transition

Hypersonic propulsion systems: SCRamjet engine and Combined Cycles

Combustion dynamics: thermo-acoustic and parametric instability, deflagration-to-detonation transition, blow-off limit, flashback, quenching of flame and detonation

Missile aerodynamics

Flame & E-field interactions, Plasma-Reaction coupling 

Machine learning and data-driven modeling of aerodynamics and reactive systems

High performance computing for hybrid computing architectures

Associate Editor, International Journal of Aeronautical and Space Sciences (2024-Present) 

Editor-in-Chief, Journal of Propulsion and Energy (2024-Present)

Program Committee, International Council of Aeronautical Sciences (2023-Present)

우주항공청 비전 및 핵심임무 발굴 총괄기획위원 (2024-현재)

기술수준평가 운영위원 (2024-현재)

국가전략기술 우주항공해양분과 기술조정위원 (2023-현재)

우주개발진흥실무위원 (2022-현재)

한국연구재단 국책연구본부 우주기술단장 (2022-2024)

한국추진공학회 편집위원장 (2024-현재) 

한국항공우주학회 이사(2021-현재)

한국전산유체공학회 수석이사 (2019-현재)

한국연소학회 수석이사 (2018-현재)

한국산업응용수학회 전산유체역학 위원장(2019-현재)

서울대학교 공과대학 기획위원회 (2021-2022)

서울공대지 편집위원 (2020-현재)

차세대소형위성 2호 개발사업 전담평가위원 (2017-2023)

한국연구재단 국책연구본부 전문위원 (2020-2022)

한국기계학회 이사 (2017-2019)