Fred M. Powell has been appointed senior vice president, chief financial officer, Antares Pharma, Inc.  Mr. Powell has a diverse corporate background including more than 20 years of financial experience within the pharma and biopharma industries.   Most recently, Mr. Powell served as vice president and chief financial officer for Celator Pharmaceuticals, a publicly-held biopharmaceutical company developing a portfolio of cancer therapies, where he was responsible for the company’s accounting, ...