- ED Management Instructor
- ED Management Instructor
- CBRNe and Counter-Terrorism Disaster Medicine Instructor
- ED Management Instructor
- CBRNe and Counter-Terrorism Disaster Medicine Instructor
- ED Management Instructor
- CBRNe and Counter-Terrorism Disaster Medicine Instructor
- ED Management Instructor
- CBRNe and Counter-Terrorism Disaster Medicine Instructor
- ED Management Instructor
- CBRNe and Counter-Terrorism Disaster Medicine Instructor
- ED Management Instructor
- CBRNe and Counter-Terrorism Disaster Medicine Instructor
- ED Management Instructor
- CBRNe and Counter-Terrorism Disaster Medicine Instructor
- CBRNe and Counter-Terrorism Disaster Medicine Instructor
- Adjunct International Instructor of Tactical Medicine Division in the SCH Disaster Medicine Center.
- Paramedic, Department of Emergency Medicine, Regional Hospital Liberec, Czech Republic
- 순천향재난의학센터 전술의학부 국제 겸임 강사
- 체코 리베레츠 지역병원 응급의학과 구급대원