A. Schulman, an international supplier of high-performance plastic compounds and resins, has named Donald McMillan as chief accounting officer, effective immediately. He will report directly to Chairman, President and Chief Executive Officer, Joseph Gingo.

McMillan, who has been with A. Schulman for 15 years, also will retain his previous title of corporate controller. He has been overseeing financial responsibilities at the company since Paul DeSantis, former vice president, chief financial officer, treasurer and assistant secretary, left the company on Feb. 28 to join Bob Evans Farms as CFO.