Darryl Chang

Darryl Chang is an accomplished professional with extensive experience in pharmaceutical engineering, currently serving as a Principal Scientist and Emerging Markets Lead at Merck since November 2008. With a focus on drug substance development and commercialization, Chang has played pivotal roles in securing regulatory approvals for multiple new chemical entities, including significant contributions to the rapid approval of Lagevrio during the COVID-19 pandemic. Prior experience at Schering-Plough Research Institute from 2001 to 2008 included leading teams in process optimization and technology transfer for critical late-stage projects, as well as implementing new technologies within the process engineering group. Chang holds a Master of Science in Chemical Engineering from the University of Illinois Urbana-Champaign and a Bachelor of Engineering from the National University of Singapore.