Senior Director, API Development

Protagonist Therapeutics is seeking an experienced API process research and development chemist to lead the API group, supporting route scouting, organic synthesis process development, and scale-up of synthetic peptide drugs. The role involves managing chemical process research, large-scale laboratory production, and technology transfer to CDMOs while overseeing partnering activities. This position requires a PhD in synthetic organic chemistry with extensive experience in peptide and small molecule process development.