Chen Chien-Jen is a Taiwanese epidemiologist who is known for his work on Blackfoot disease and liver cancer. He received his doctorate degree in human genetics and epidemiology from Johns Hopkins University and served as Minister of Health during the SARS crisis in Taiwan in 2003. He has served as the Vice President of Taiwan from 2016 to 2020 and was the vice president of Academia Sinica from 2011 to 2015.