Bayer Exec Dable Takes Reins at Acceleron as Knopf Retires

Xconomy Boston — 

John Knopf is retiring as the president and CEO of Cambridge, MA-based Acceleron Pharma (NASDAQ: XLRN). Knopf, one of the early scientists at the Genetics Institute, co-founded Acceleron in 2003 and took it public in 2013. Bayer veteran Habib Dable, who most recently headed the company’s U.S. pharmaceuticals operations, will take over for Knopf on Dec. 1.