Margaret Ruesch is a Vice President in Worldwide Research and Development at Pfizer. She is a leader in Biotherapeutics Pharmaceutical Sciences, a multi-site organization of scientists and engineers who develop the complex manufacturing and testing strategies for Pfizer’s portfolio of biotherapeutics, gene therapies, and vaccines. Margaret is also the R&D site leader for Pfizer’s Andover, MA location. Andover is a joint R&D and commercial manufacturing site and plays a critical role in the development and manufacturing of new biotherapeutics, gene therapies, and vaccines. Margaret received a B.S. in Biology from The University of Notre Dame and a Ph.D. in Cancer Biology from Northwestern University. She has 20 years of experience in biopharmaceutical and vaccine development and has held previous scientific and leadership roles at Abbott Laboratories in Chicago; Pharmacia & Upjohn in Kalamazoo, MI; and Pfizer in St. Louis, MO. Margaret currently resides in Lexington, MA.