Protagonist Therapeutics
Bill Duffield is a Senior Scientist at Protagonist Therapeutics since September 2021, specializing in CMC and Analytical Chemistry. Prior experience includes roles as Scientist II/Senior Scientist at Corium, Inc., focused on analytical development for small molecules, peptides, and proteins related to transdermal and other drug delivery methods. Bill has a background in small molecule analytical development at Novartis Pharmaceuticals, where device materials characterization and qualification were emphasized. Previous positions held at Nektar Therapeutics, SUGEN, Inc., Protein Design Labs, and Calypte Biomedical further strengthened expertise in analytical development and protein chemistry. Education includes a Bachelor's degree in Psychbiology from the University of California, Santa Cruz.