Chang-Chuan Chan is a Distinguished Professor at the Institute of Environmental and Occupational Health Sciences, College of Public Health, National Taiwan University (NTU) (Council on Education for Public Health accredited). He was the ninth Dean of the College of Public Health and Director of the Global Health Center and Population Health Research Center at NTU. He is a member of the Association of Pacific Rim Universities (APRU) Global Health Program Advisory Group and the head of delegations for Taiwan in the M8 Alliance of Academic Health Centers, Universities and National Academies. He is also an advisor to the Taipei City Mayor, a member of the Taipei 2050 Vision Committee, and a member and Vice Executive Officer of the Council for Sustainable Development, Taipei City Government.

Chan has held prominent positions in international societies including councilor of the International Society for Environmental Epidemiology (2015-2017), councilor of the International Society of Exposure Analysis (now International Society of Exposure Science) (2008-2011), steering committee member of APRU Global Health Program (2014-2016), a member of the board of directors at Association of Schools and Programs of Public Health, chair of the ISEE, Asia and Western Pacific Chapter (2016-2020), and chairman of the Taiwan Society for Risk Analysis (2008-2015).