William Quirk is a Managing Director and Senior Research Analyst at Piper Jaffray & Co., focusing on the medical diagnostics and life science tools sectors. Prior to joining Piper Jaffray & Co. in 2006, Mr. Quirk worked in equity research at RBC Capital Markets in Minneapolis and at Paine Webber in New York. In 2012, he was named the 2012 most accurate earnings forecaster for the life science tools industry by StarMine. Mr. Quirk received a bachelor’s in business from St. Norbert College and a master’s in business from the Carlson School of Management at the University of Minnesota. He holds the Chartered Financial Analyst designation.