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Marieke Koedood Zhao
Director, Cell Line Development at Mersana Therapeutics


Marieke Zhao, Ph.D., is Director of Cell Line Development at Mersana Therapeutics where she oversees cell line development and cell banking activities at CDMOs and participates in leading CMC, alliance and core project teams. Prior to Mersana, Dr. Zhao led cell line development in the Cell Line and Upstream Engineering group of ImmunoGen, where she developed a proprietary CHO expression system. She has close to 20 years of experience in the biopharmaceutical industry with expertise in cell line and cell culture development, biologics process development, tech transfer, GMP, project management and CMO management. Dr. Zhao received her Ph.D. degree in Molecular Biology from the University of Zurich in Switzerland.