MADISON, Wis.--(BUSINESS WIRE)--TomoTherapy Incorporated (NASDAQ: TOMO), producer of the Hi·Art® treatment system for advanced radiation therapy, today announced that Rafael (Ralph) Vaello will join the company as vice president of global sales, effective December 1, 2008. Mr. Vaello, who will report to TomoTherapy CEO Fred Robertson, M.D., has spent the previous seven years leading the sales and field marketing group for Philips Healthcare’s Oncology Imaging division.