Hongjun Li received the MS degree in Mathematics from the University of Science and Technology, Beijing (USTB), in 2003 and the PhD degree in Computer Application from the Institute of Automation, Chinese Academy of Sciences (CASIA), in 2012. He served as a visiting scholar at University of Rochester, USA, from September of 2015 to September of 2016. He is currently a professor in Beijing Forestry University (BJFU). His research interests include intelligence algorithms, geometry modeling, computer graphics, virtual reality and image processing. He is (co-)author of over 70 papers published in journals and conference proceedings. He holds a U.S. patent and ten Chinese patents.