Jeffrey Potrzebowski has been appointed chief financial officer and James S. Bourdage, Ph.D., was named vice president Bioanalytical Operations at Bioanalytical Systems, Inc. (BASi).   Mr. Potrzebowski joins the company from Oerlikon Drive Systems, where he served as chief financial officer, responsible for the management and control of financial performance of the operating segment. Previously, he was senior vice president and chief financial officer of Remy International, a producer of electri...