Lee advised government on multiple occasions as a medical, cancer expert. She served as a member of National Cancer Control Planning Board under the Ministry from 2000 to 2006. In addition, she is an advisor to National Evidence-based Healthcare Collaborating Agency (NECA) from 2015, National Pension Service's Reexamination Committee from 2016 and her alma mater's Cancer Precision Medicine Diagnosis and Treatment Enterprise funded by Ministry of Science and ICT from 2017.[2]