Gregory Leyer, PhD
Gregory Leyer, PhD
Sr. Director – Scientific Affairs Human Health
Chr. Hansen

Greg received his PhD in Food Microbiology and Toxicology from the University of Wisconsin – Madison. He started his probiotic-focused post-graduate career during a five-year stint with Abbott Laboratories and held several probiotic leadership positions in a 15-year career at Danisco - DuPont. In 2013, Greg joined forces to acquire UAS Labs serving as Chief Scientific Officer. Greg has authored and co-authored numerous papers in the areas of probiotic clinical benefits, application know-how, and microbial safety parameters.