MADISON, Wis.--(BUSINESS WIRE)--TomoTherapy Incorporated (NASDAQ: TOMO) announced today that Steve Hathaway, chief financial officer, and Del Coufal, vice president of marketing, will present at the Piper Jaffray 20th Annual Health Care Conference on Wednesday, December 3, 2008 at 12:00 p.m., ET. The conference is scheduled for December 2-3 at the New York Palace Hotel in New York City.