Pfizer Research Technology Center •
01/2012 – 01/2017 •
Medicinal Chemistry
Pfizer Global Research and Development •
01/2010 – 01/2011 •
01/2003 – 01/2010 •
Pharmacia •
01/2000 – 01/2003 •
G. D. Searle Pharmaceuticals •
01/1998 – 01/2000 •
G. D. Searle Pharmacueticals •
01/1996 – 01/1998 •
01/1990 – 01/1996 •
01/1987 – 01/1990 •
Research Triangle Institute •
01/1985 – 01/1986 •