Dr. Yisong Xiao is the Senior Director of Chemistry at Apeiron Therapeutics. He has over 18 years of research and development experience in the pharmaceutical industry. Dr. Xiao has worked on a wide array of novel small molecule drug discovery projects, including kinase inhibitors, ion channels, GPCRs and anti-viral therapeutics. He was also a member of the team that discovered and developed Sofosbuvir, the first NS5B inhibitor. Dr. Xiao has authored over 20 patents and patent applications. Prior to joining Apeiron, he served as a director of medicinal chemistry at WuXi AppTec. He received his Ph.D.in organic chemistry from Zhejiang University.