Dr. Lisa M. Plitnick is a Distinguished Scientist in Nonclinical Drug Safety, Merck Research Laboratories, Merck and Co., Inc. Lisa joined Merck in 2002 and currently serves as the Therapeutic Area Lead for Vaccines and a Nonclinical Safety Leader on vaccine and biologic development teams spanning early and late development. Lisa is also the Scientific and Regulatory Advisor for the in Vivo Biologics Release Testing Group in the Merck Manufacturing Division. Lisa co-edited the first edition of this book, Nonclinical Development of Novel Biologics, Biosimilars, Vaccines and Specialty Biologics and has written and/or contributed to book chapters and peer-reviewed journal articles on biologics and vaccines. Lisa received a M.S. and Ph.D. in Immunology from the Albany Medical College. Following her graduate work she did a postdoctoral fellowship with a focus on Immunotoxicology in the Curriculum in Toxicology at the University of North Carolina in cooperation with the US Environmental Protection Agency, Dow Chemical and DuPont.