Steve has been an Associate Research Fellow in the Bioprocess R&D group at the Pfizer-St. Louis site since 2010, where his team has focused on process development of protein conjugates as biotherapeutic drug candidates for vaccine (prophylactic and therapeutic), oncology and cardiovascular indications.  Prior to this position, he spent 16 years in the Discovery Medicinal Chemistry groups of Searle, Pharmacia, then Pfizer developing novel small molecule candidates as potential therapies for inflammatory diseases, as well as developing novel approaches to PK modulation via protein conjugation.  Steve has a BA and a PhD in Organic Chemistry from the University of Missouri.