Peng-Fei Fan is a Professor in the School of Life Sciences, Sun Yat-Sen University, Guangzhou, China. He has been studying behaviour, ecology, and conservation of primates, mostly gibbons, in China since 2002. Along with his colleagues, he discovered the white-cheeked macaque (Macaca leucogenys) and skywalker hoolock gibbon (Hoolock tianxing). He has published more than 80 peer-reviewed papers and currently serves as Associate Editor or Editorial Board Member for five scientific journals.