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Sigma has over 20 years of experience in process development, process characterization, and manufacturing. At KBI, her team is developing upstream and downstream processes for 40 – 50 therapeutic protein molecules per year. These molecules encompass all phases of development and represent mAbs, bi-specifics & fusion proteins, enzymes, vaccines, and complex glycoproteins. Prior to joining KBI in 2010, she was with Eli Lilly & Co. and Diosynth Biotechnology. At Lilly she led a process development group and was also the high throughput clone selection group and was a CMC Core Team Leader. At Diosynth she was manager of the Cell Culture group and was responsible for developing in-house (Merck) and client processes. Sigma’s expertise are in phase I through commercial process development, scale-up/scale-down, and tech transfer. Sigma received her Ph.D. in Chemical and Biological Engineering from Northwestern University.