Mark Sheffield is a seasoned professional in the field of toxicology with extensive experience in project management and safety pharmacology. Currently serving as a Senior Project Toxicologist at Arrowhead Pharmaceuticals since August 2022, Mark previously held the position of Study Director at Labcorp Drug Development from June 2021 to August 2022. Mark's career began at Covance, where a tenure from January 2007 to June 2021 included various roles as Study Director, Study Director/Manager, and Study Toxicologist, all focused on safety pharmacology and toxicology. Mark holds a Doctor of Philosophy (PhD) in Genetics from the University of Wisconsin-Madison and a Bachelor of Science (BS) in General Biology from Kansas State University.
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