- Legal Counsels of Korea Food & Drug Administration
 - Legal Counsels of Korea Intellectual Property Office
 - Legal Counsels of Korea Technology Center
 - Member of the Pharmaceutical Society of Korea
 - Member of the Korean Society of Pharmacognosy
 - Member of the Korea Patent Attorney Association
 - Consulting Patent Attorney of Korea Research Institute of    Bioscience & Biotechnology.

  Member of AIPPI