Gayle Derfus Gilead Sciences

Gayle Derfus is currently the Senior Director of Cell Line and Upstream Process Development at Gilead Sciences, at the Biologics site in Oceanside, California. At Gilead she has worked on or overseen cell line development; early and late stage process development for mAbs, bi-specific antibodies, and Fc-fusion proteins; process characterization; and process performance qualification at both internal and external sites. She has overseen multiple external upstream process technology transfers to both clinical and commercial scales. She is currently leading a CMC team for an early stage program. Prior to starting at Gilead in 2011, Gayle worked at Genentech, focusing on early stage process development and technology development. She has a PhD in Bioengineering from the University of California at San Diego, as well as a B.S. in Engineering Science and a minor in Spanish from Iowa State University.