Greg Erexson, PhD, DABT, ATS, FRSB, ERT is a Senior Principal Research Scientist at AbbVie, Inc. in North Chicago, IL (2013-present) in Occupational and Environmental Toxicology, Preclinical Safety. He was at Abbott Laboratories, North Chicago, IL in 2012 prior to the split of Abbott into two separate companies, Abbott and AbbVie on January 2, 2013. Greg was at Baxter Healthcare in Round Lake, IL from 2006 to 2012 as a Regulatory Toxicologist primarily working in the areas of risk assessment of E&L and extraneous matter. He received both his PhD and Master’s degrees from North Carolina State University, Raleigh, NC in Toxicology and Comparative Biomedical Sciences. Greg received his Bachelor’s degree in Biology from the University of North Carolina, Chapel Hill, NC. From 2000 to 2006, Greg was a Manager-Study Direction at Covance Laboratories, Inc. in Vienna, VA. He was board-certified in general toxicology by the American Board of Toxicology (DABT) in 1999 and recertified in 2004, 2009 and 2014. He was inducted as a Fellow in the Academy of Toxicological Sciences (ATS) in 2014 and as a Fellow in the Royal Society of Biology (FRSB)-UK in 2015. Greg became a European Registered Toxicologist (ERT) in 2015. He has been involved with the Extractables and Leachables Information Safety Exchange (ELSIE) consortium essentially since its inception in 2007. He is currently the chair of the ELSIE Board of Directors. Greg was also a member of the USP Toxicology Expert Committee from 2010 to 2015, former president of the Midwest Regional Society of Toxicology and the Medical Device and Combination Product Specialty Section. Greg has authored over 90 peer-reviewed scientific publications.