Shaun is Senior Director of Protein Engineering at Atreca, Inc, where his responsibilities include antibody lead optimization, development of multispecific therapeutics, and elucidation of epitopes of Atreca’s novel patient-derived antibodies. He has been engineering antibodies, bispecifics, fusion-protein therapeutics, and enzymes for 19 years, combining structure-based modeling with high-throughput display methods as needed. Prior to Atreca, his experience includes leading a protein technologies group at Bayer HealthCare in San Francisco, heading research at Silver Creek Pharmaceuticals, and helping spin out startups from leading academic labs.