Rachel Chen is a Senior Scientist and group leader at the Analytical Development Department of Biogen (MA, US), leading the analytical activities for the development of protein therapeutics. She has been focused on analytical method development, detailed characterization, technology innovation, and program/CMC development for protein and other biotherapeutics at Biogen since 2014. Rachel Chen obtained her PhD degree in Chemistry from Northwestern University, and worked as a postdoc fellow at Celgene.