CAMBRIDGE, Mass.--(BUSINESS WIRE)--ImmunoGen, Inc. (Nasdaq: IMGN), a biopharmaceutical company that develops targeted anticancer therapeutics using its Tumor-Activated Prodrug (TAP) technology, today announced that Craig Barrows has joined the Company as Vice President, General Counsel and Secretary. Mr. Barrows has over twenty years of legal experience – thirteen as chief corporate legal officer – and a strong transactional background. This newly-created position reflects the Company’s increased involvement with multiple current and potential collaborators, medical institutions, and commercial manufacturing organizations as a growing number of TAP compounds advance.