Zhenxi Zhang is a senior professor at School of Life Science and Technology, Xi’an Jiaotong University, China. He received his Ph.D. in Biomedical Engineering and Instrumentation from Xi’an Jiaotong University, China in 1990. He was the associate dean of the School of Life Science and Technology and the director of the Institute of Biomedical Analytical Technology and Instrumentation from 2008 to 2018 at Xi’an Jiaotong University. He has conducted his research in several Germany universities including University of Stuttgart, the GSF-National Research Center for Environment and Health (Muenich), Robert Roessle Cancer Clinic of the Virchow, University Clinic of the Humboldt University in Berlin , Wilhelmshaven University of Applied Sciences and Lübeck University of Applied Sciences. Currently, his interests are mainly in biomedical optics, optical biophysics, biomedical optical imaging and the spectral analysis method. He has published more than 80 peer-reviewed papers and 4 books on Biomedical Photonics and Nanomedicine. He has been the member of the University Teaching Instruction Committee of the Chinese Education Ministry for Biomedical Engineering (2006–2010), the deputy director of the Internet Cooperative Research Center of the Education Ministry, consultant expert of the Chinese Technology Association, the vice chairman and member of the Committee for Biomedical Optics of Chinese Optical Society and associate chief editor of the Chinese Journal of Lasers.