Professor Marianthi Ierapetritou has been elected to the American Institute of Chemical Engineers (AIChE) Board of Directors, along side Kristi S. Anseth, Distinguished Professor of Chemical and Biological Engineering at the University of Colorado; Lori T. McDowell, Director of Business Development at Matheson; and Timothy J. Olsen, a refining consultant at Emerson Process Management. The directors serve three-year terms. The president position will be assumed by Christine B.