Samuel Agresta has been appointed chief medical officer of Cambridge, MA-based Infinity Pharmaceuticals (NASDAQ: [[ticker:INFI]]). Agresta comes to Infinity from Agios Pharmaceuticals (NASDAQ: [[ticker:AGIO]]), where he was vice president and head of clinical development. Before Agios, Agresta held posts at Merrimack Pharmaceuticals (NASDAQ: [[ticker:MACK]]) and Genentech. Following a corporate restructuring last year, Infinity turned its focus toward IPI-549, a cancer drug for solid tumors that is in early-stage clinical testing.