Jonathan Lieber has been appointed chief financial officer, Xcellerex, Inc. Mr. Lieber joins the company from Altus Pharmaceuticals, where he was senior vice president, chief financial officer, and treasurer. During his tenure, he was instrumental in raising approximately $250 million in three financings, including a $110 million initial public offering. Previously, he served as a vice president in SG Cowen’s Healthcare Investment Banking Group.

“Jon brings a wealth of expertise in finance, raising capital, and management,” said Joseph Zakrzewski, president and chief executive officer of Xcellerex. “We look forward to many contributions from Jon as we accelerate the growth of our three businesses, including single-use component bioreactors/mixing systems and the FlexFactory, contract development & manufacturing services, and proprietary biomolecule development.”