Dr. Weidong Zhang is currently the Vice President, Biostatistics and Programming at Jounce Therapeutics. He oversees biostatistics and programming to support end-to-end clinical development in immuno-oncology regarding study design, execution and medical affairs. Prior to Jounce, he was a Senior Director Biostatistics at Pfizer focusing on clinical development in inflammation & immunology and oncology. Dr. Zhang has 20 years of experience in all phases of clinical development including Phase 1/PoM, Early Signal of Efficacy (ESoE), Phase 2a/b, Phase 3 and low-interventional studies. He has extensive knowledge in biomarker enrichment design and adaptive design.