Elizabeth Leffel, PhD, MPH, is the Vice President of Preclinical and Nonclinical Programs at Terapio. Dr. Leffel has over ten years of experience developing and using animal models for autoimmune and infectious diseases. She is a specialist in countermeasure models and characterizing models for regulatory approval under the FDA Animal Rule. Previously, Dr. Leffel was the Senior Director of Nonclinical Sciences of PharmAthene Inc., where she was responsible for nonclinical evaluation of three medical countermeasures for chemical and biodefense applications. Prior to that, she was Chief of the Aerosol Research Center at the U.S. Army Medical Research Institute of Infectious Diseases. Dr. Leffel was a collaborator on over 15 research grants designed to investigate exposure to various biothreat agents, in addition to completing her own research on vaccines and therapeutics for anthrax. She has numerous publications and book chapters and has been an invited speaker to the Food and Drug Administration, Institute of Medicine, American Association for the Advancement of Science, and the Health Protection Agency of the UK, among others. Dr. Leffel earned her doctorate in Pharmacology and Toxicology at the Medical College of Virginia/Virginia Commonwealth University and a master’s degree in Public Health from The George Washington University.