OPK BIOTECH CORPORATION Cambridge, MA Nov 2009 to Nov 2013 Manufacturing SupervisorBIOPURE CORPORATION Cambridge, MA 1999 to 2009 Manufacturing Lead TechnicianBIOPURE CORPORATION - Cambridge, MA Cambridge, MA 1998 to 1999 Manufacturing TechnicianHYBRIDON INC Worcester, MA 1993 to 1997 Manufacturing Technician