Junhu Zhang, Ph.D., joined RayThera in September 2023 as the Vice President of Chemistry. Junhu is a seasoned medicinal chemistry leader with more than 20 years of small molecule drug discovery experience. Most recently, he served as the Senior Director of Medicinal Chemistry at Zentalis Pharmaceuticals. Prior to that, he worked as an Executive Director of Chemistry at C&C Biopharma. He started his career in the pharmaceutical industry at Pfizer and then at Trius Therapeutics as an Associate Director of Chemistry. He has co-authored over 90 papers, patent applications and issued patents, and directly contributed to the successes of marketed drugs as well as multiple clinical and preclinical drug candidates over the years. He received his Ph.D. in Organic Chemistry from University of Alberta and completed his postdoctoral fellowship at Harvard University under the guidance of Nobel Laureate Professor E.J. Corey.