John Marcek

John Marcek is a retired professional with extensive experience in general and regulatory toxicology. They served as a Senior Principal Scientist at Pfizer from 2003 to the present, leading studies and drug safety teams while effectively communicating across project teams to mitigate development risks. Prior to Pfizer, John worked as a Research Scientist at Pharmacia & Upjohn from 1987 to 2003. They hold a Bachelor’s degree in Animal Science from the University of New Hampshire and a Master’s degree in Animal Science from Oregon State University.