Marc Pelletier, Ph.D., is an internationally recognized biopharmaceutical process specialist. An industry leader in the area of fermentation and cell-culture-based bioprocesses, Marc has helped to revolutionize closed bioprocessing in the biopharmaceutical industry. He was main contributor for the ISPE Baseline Guideline on Biopharmaceutical Manufacturing Facilities. He also continues to serve on the ASME BPE Standards Committee after two decades. While his primary expertise is in upstream and downstream unit operations, Marc also has extensive experience in the area of plasma fractionation.