Penski, Irvin & Associates Washington, DC Mar 2000 to Feb 2013 AdministratorRobert Viener Laurel, MD Jun 1998 to Mar 2000 AdministratorRadiology Imaging Associates Clinton, MD Jul 1992 to May 1998 Accounts Receivables & IS ManagerASI Silver Spring, MD Feb 1987 to Jun 1992 Medical Office Trainer-Technical Support