Mark Chang Ph.D. is the executive director, Biostatistics and Data Management, AMAG Pharmaceuticals, with over 15 years of experience as a statistician in the field of clinical trials. He is a co-founder of the International Society for Biopharmaceutical Statistics, an executive member of ASA Biopharmaceutical Section, and a member of Expert Panel for the Networks of Centres of Excellence, Canada. He is a co-chair of Biotechnology Industry Organization Adaptive Design Working Group.