Col (retired) Brian J. Lukey, PhD, is currently a senior civilian toxicologist for the U.S. Air Force, Wright-Patterson Air Force Base. Due to the nature of a military career, he has had numerous assignments in a variety of areas of medical research. These include managing programs directed toward medical chemical warfare defense, forensic toxicology for drugs of abuse, occupational and environmental health analytical procedures, and military operational medicine. He has authored and coauthored more than 45 manuscripts and technical reports, and is the codeveloper of one patent. Dr. Lukey is a highly decorated military officer, having been awarded the prestigious Medical Service Corps Award of Excellence, two Legion of Merits, and multiple Meritorious Service Medals, Army Commendation Medals, and Army Achievement Medals. He is a member of the Order of Military Medical Merit and wears the Expert Field Medical Badge, Airborne Badge, Air Assault Badge, and German Troop Duty Proficiency Badge. James A. Romano, Jr., PhD, was an instructor of psychology at Manhattan College, Bronx, New York, from 1970 to 1975. Awarded tenure in 1976, from 1976 until 1978, he was an assistant professor of psychology at Manhattan College. He entered the U.S. Army in 1978, and progressed as a scientist and manager into positions of increasingly greater responsibility to include commander, U.S. Army Medical Research Institute of Chemical Defense (2000-2003), Aberdeen Proving Ground, Maryland, and deputy commander of the U.S. Army Medical Research and Material Command, Fort Detrick, Maryland, his position at retirement from the U.S. Army. He then joined Science Applications International Corporation as a senior principal life scientist in the fall of 2006. In his research, he focused on the neurotoxicological effects of chemical warfare agents and medical countermeasures to these agents. Dr. Romano is the author of more than 100 papers in the areas of medical chemical defense and two successful textbooks: Chemical Warfare Agents: Toxicity at Low Levels (CRC Press, 2001) and Pharmacological Perspectives of Toxic Chemicals and Their Antidotes (Springer-Verlag, 2004). He currently serves on the Homeland Security Subcommittee to the Environmental Protection Agency's Board of Scientific Counselors. Harry Salem, PhD, is chief scientist for Life Sciences at the U.S. Army Edgewood Chemical Biological Center, Aberdeen Proving Ground, Maryland. Edgewood Chemical Biological Center is a U.S. Army Research, Development, and Engineering Command Laboratory and is the Army's principal research and development center for chemical and biological defense technology, engineering, and field operations. Edgewood Chemical Biological Center has achieved major technological advances for the warfighter and for our national defense, with a long and distinguished history of providing the Armed Forces with quality systems and outstanding customer service. Dr. Salem was previously the chief of the Toxicology Division and also the acting senior team leader for Biosciences at Edgewood. Prior to that, he was employed in positions of increasing complexity and responsibility by the pharmaceutical and contract laboratory industries. His research interests and experience include inhalation and general pharmacology and toxicology, and in vitro and molecular toxicology. He has served in adjunct positions at the University of Pennsylvania, Temple University, Drexel University, and the University of Maryland, and continues to be active as a visiting professor at Rutgers University. He has been on the editorial boards of several professional journals and has served as editor-in-chief of the Journal of Applied Toxicology for over 20 years. He has published 18 books, including three volumes of the International Encyclopedia of Pharmacology and Therapeutics, which he coauthored, as well as over 100 papers in scientific journals and chapters in books. In 2001, Dr. Salem was awarded the Society of Toxicology Congressional Science Fellowship, and he served as a science advisor to Congressman Jim Greenwood. He became a Fellow of the Royal Society of Chemistry in 2015, and was president of the Stem Cell Specialty Section of the Society of Toxicology in 2017-2018.