Greene Tweed, a materials production and engineering firm, has announced the appointment of Magen Buterbaugh '05 as its president and CEO. Buterbaugh brings two decades of experience in progressive management to the role. Prior to joining Greene Tweed, Bauterbaugh spent 17 years with DuPont and Chemours in a variety of functions including capital engineering, operations, strategic planning, commercial and business management. She holds a bachelor of science in chemical engineering from Penn State and a master's in business administration from Widener University.