Suddham Singh is a seasoned professional with extensive experience at Pfizer since October 2004, where roles have included Senior Director, Director, and Senior Principal Scientist, focusing on protein characterization and the development, qualification, and validation of analytical methods for vaccines and antibody-drug conjugates (ADCs). Prior to this, Suddham Singh served as a Principal Research Scientist, engaging in the characterization and development of analytical methods for vaccines utilizing proteins, polysaccharides, and glycoconjugates, and as a Senior Research Scientist, contributing to drug substance analytical method development in vaccine projects. Earlier experience includes a position as a Research Scientist at the University of New Hampshire, specializing in the detailed structural analysis of glycans and glycopeptides through mass spectrometry. Suddham Singh holds a Ph.D. in Chemistry from the University of Delhi.