Senior Principal Scientist
Pfizer Inc.
Mr. Todd Zelesky is a Principal Scientist at Pfizer Inc. in Groton, CT. He received his undergraduate degree in Chemistry at the University of Connecticut in 2000 and started his career at Pfizer where he now has over 20 years of experience working in Analytical R&D.
His current role includes supporting project teams across all aspects of the small molecule forced degradation space, providing best practice guidance from early development through product launch. His interests include forced degradation protocol design, understanding degradation pathways in drug products, and using investigative degradation tools/techniques to generate enriched sample sources that support isolation of low level drug product degradants for MS/NMR structure ID.