Dr. Nathan Lacher is an Associate Research Fellow in Pfizer BioTherapeutics Pharmaceutical Sciences group in Chesterfield, MO. His background and training are in analytical chemistry. After obtaining a B.S. degree (Chemistry) from Buena Vista University (Storm Lake, IA) in 1999, Nate received a Ph.D. (Pharmaceutical Chemistry) in 2004 from Kansas University (Lawrence, KS) under the direction of Dr. Susan Lunte. In 2004, Nate joined Pfizer working at the La Jolla Laboratories (La Jolla, CA) on the development of small molecule pharmaceuticals for ophthalmology and oncology in Analytical R&D. Since 2005, he has worked on the development of biotherapeutic candidates covering a wide range of indications at the St. Louis Laboratories in Chesterfield, MO. Nate currently leads a group within Project Progression Line #1 of Analytical R&D supporting development of monoclonal antibodies, prophylactic vaccines, and gene therapies.