He found Korean Society of Matrix Biology and served as the first president. He also served as president of Korean Society of Molecular Imaging from 2013 to 2015 and Korean Society of Cell Biology from 2007 to 2009. Currently he is serving as vice-president of Korean Society of Biochemistry and Molecular Biology since 2015. He is a fellow of the Korean Academy of Science & Technology and a member of the National Academy of Medical Science of Korea. He is serving in a few government committees including Health Technology Policy Committee, Ministry of Health & Welfare, Advisory board, Korea National Institute of Health, and BioHealth division, National Science & Technology Commission. He has been working on cell adhesion molecules and extracellular matrix proteins and their roles in tumor and other chronic diseases. He has expanded his interests in the development of drugs based on nanocage proteins and exosomes particularly harnessing immune system for cancer control. He has published more than 260 peer-reviewed papers and filed several patents.