| • | 2006 – 현재 | Nuclear Medicine and Molecular Imaging 편집위원 |
| • | 2008 – 2014 | 핵의학영상및기기연구회 총무이사 |
| • | 2009 – 현재 | 한국과학기술한림원 준회원 |
| • | 2009 – 현재 | 대한핵의학회 평위원 및 정책기획위원 |
| • | 2009 – 2015 | IEEE Nuclear and Plasma Science Society Seoul Chapter 총무이사 |
| • | 2010 – 현재 | 대한의용생체공학회 편집이사 |
| • | 2010 - 2013 | 한국의학물리학회 홍보이사 |
| • | 2014 – 2015 | 한국의학물리학회 학술이사 |
| • | 2010 – 2013 | 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference MIC Chair |
| • | 2010 – 현재 | 대한의용생체공학회 Journal of Biomedical Engineering Research 편집위원 |
| • | 2010 – 2012 | 대한핵의학회 핵과학이사 |
| • | 2003 – 2004 | 대한뇌기능매핑학회 학술위원 |
| • | 2004 – 2006 | 9th Congress of World Federation of Nuclear Medicine and Biology |
| • | 2004 – 2006 | World Congress on Medical Physics and Biomedical Engineering 2006, Scientific Program Committee |
| • | 2006 – 2007 | 한국의학물리학회 학술위원 |
| • | 2006 – 2007 | 대한의용생체공학회 학술위원 |
| • | 2008 – 2009 | 2nd Asian Congress of Radiation Research, Medical Physics Sub Committee |
| • | 2008 – 2010 | IEEE 10th International Conference on Inorganic Scintillators and their Applications, Local Organizing Committee |
| • | 2008 – 2008 | 1st International Workshop on Hybrid Molecular Imaging Technology, Co-organizer |
| • | 2008 – 2013 | Hosting Committee for 2013 IEEE Nuclear Science Symposium and Medical Imaging Conference, General Secretary |
| • | 2011 – 2012 | 2012 World Molecular Imaging Conference(WMIC) Program Committee (Category Chair) |
| • | 2012 – 2012 | 14th KAST International Symposium Program Committee |
| • | 2012 – 2013 | 2013 World Molecular Imaging Conference(WMIC) Program Committee (Category Chair) |
| • | 2012 – 2014 | SNU-NIRS Workshop on Nuclear Medicine Imaging Science and Technology Co-organizer |
| • | 2013 - 2013 | NIRS Workshop on PET Imaging Physics and Applications (PIPA2013) International Advisory Committee |
| • | 2013 – 2014 | 2014 World Molecular Imaging Conference Program Committee |
| • | 2014 – 2014 | 7th Korea-Japan Joint Meeting on Medical Physics Scientific Committee Chair |
| • | 2010 – 2016 | Biomedical Engineering Letters Managing Editor |
| • | 2011 – 2016 | Current Molecular Imaging Editorial Advisory Board |
| • | 2011 – 현재 | American Journal of Nuclear Medicine and Molecular Imaging
Senior Editorial Board |
| • | 2013 – 현재 | Physics in Medicine and Biology International Advisory Board |
| • | 2013 – 현재 | Asia Oceania Journal of Nuclear Medicine & Biology Editorial Board |
| • | 2015 – 현재 | Nuclear Medicine and Molecular Imaging Associate Editor |
| • | 2016 – 현재 | Biomedical Engineering Letters, Editor-in-Chief |
| • | 2017 – 현재 | European Nuclear Medicine and Molecular Imaging Physics, Editorial Board |
| • | 2014 ~ 2015 | 2015 PET-MR/SPECT-MR Conference (PSMR2015) Scientific Committee Member |
| • | 2014 ~ 2014 | 2nd Workshop on Principles and Applications of Medical Imaging Systems from the Basics to Fusion and Commercial Systems Co-organizer |
| • | 2014 ~ 2015 | 2015 World Molecular Imaging Conference (WMIC) Program Committee, Emphasis Chair |
| • | 2015 ~ 2017 | Nuclear and Medical Imaging Sciences Council, IEEE Nuclear and Plasma Society (NPSS) Elected Member |
| • | 2015 ~ 2016 | 2016 PET-MR/SPECT-MR Conference (PSMR2016) Scientific Advisory Board Member |
| • | 2016 ~ 2017 | Nuclear and Medical Imaging Sciences Council (NMISC), IEEE Nuclear and Plasma Society (NPSS) Vice Chair |
| • | 2016 ~ 2017 | 2017 IEEE Engineering in Medicine and Biology Society (EMBC) Financial Chair |
| • | 2016 ~ 2017 | Korean Society of Medical Physics Board of Director |
| • | 2016 ~ 2017 | IEEE Nuclear and Plasma Science Society Seoul Chapter Vice Chair |
