Janius to Replace Sayer as CEO of ImmunoGen

Xconomy Boston — 

ImmunoGen (NASDAQ:IMGN), a Waltham, MA-based biotech firm, announced today that its board of directors has approved a succession plan in which company president and COO Daniel Junius will become CEO on Jan. 1, 2009. He replaces long-time CEO Mitchel Sayer, who will continue to serve as chairman after Junius takes over the chief executive post.