Bioanalytical Systems, Inc. has made several changes to its board of directors and senior management. Richard M. Shepperd, president and chief executive officer of BASi, will retire from his position, effective February 12, 2010. The board intends to conduct a national search for a new chief executive officer. Anthony S. Chilton, Ph.D., BASi’s chief operating officer, Scientific Services, will serve as interim president. Dr. Chilton has more than 30 years of experience as a scientist an...