David J. Feifarek

David J. Feifarek is a Senior Scientist at ToxStrategies, Inc. since September 2022, with extensive experience in toxicology and biology. Prior to this role, David served as Associate Manager and Senior Associate in Toxicology at SC Johnson from November 2017 to September 2022, and as a Biologist contractor for the US Environmental Protection Agency from September 2015 to September 2017, focusing on Toxic Effects Characterization and Systems Toxicology. David also contributed to academia as a Graduate Research and Teaching Assistant at St. Cloud State University from May 2013 to August 2015, and as an Instructor of Biology and Nutrition at St Cloud Technical and Community College during the 2014-2015 academic year. David's early career included work as a Pharmacy Technician at Walgreens from September 2011 to August 2014. David holds a Master of Science in Cell and Molecular Biology and a Bachelor of Science in Biomedical Science, both from St. Cloud State University.