Dr. Tsai announced her running mate, Dr. Chen Chien-jen, Vice President of Academia Sinica, Taiwan's highest ranking academic institution. An expert in molecular and genomic epidemiological researches, Dr. Chen was a seminal figure in helping Taiwan weather the SARS epidemic in 2003.

Dr. Chen has previously served in several government positions including the Director General of Division of Life Sciences (1997-1999) and Deputy Minister (2002-2003) of National Science Council, Minister of Department of Health (2003-2005), and Minister of National Science Council (2006-2008).