WALTHAM, Mass.--(BUSINESS WIRE)--ImmunoGen, Inc. (Nasdaq: IMGN) today announced that Daniel Junius, President and Chief Operating Officer, will participate on the panel, The Power of Collaboration: Genentech and Its Partners, at the RBC Capital Markets 2008 Healthcare Conference. This 55-minute panel session will begin at 10:00 am EST on Thursday, December 11, 2008, and will be webcast live. The Conference will take place at the Westin New York at Times Square hotel in New York City.