Halei Zhai

Senior Scientist Ii, Analytical Development, Pharmaceutical Operations & Supply Chain at Exelixis

Halei Zhai currently serves as Senior Scientist II in Analytical Development at Exelixis, specializing in method development and validation for small molecules and antibody-drug conjugate (ADC) drug-linkers. Previous experience includes a Senior Scientist role at Bolt Biotherapeutics, where Halei developed native SEC-MS methods for ADC detection and quantification. Prior to that, Halei worked as Scientist III at Binacea Pharma, focusing on high-throughput screening and purification of recombinant proteins. Additional roles include Scientist at Nektar Therapeutics, Research Scientist at Hengenix Biotech, postdoctoral researcher at the University of California, San Francisco, and Affiliate User at Berkeley Lab. Academic credentials include a Ph.D. in Chemistry and a Bachelor's Degree in Chemistry, both from Zhejiang University.

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