William A. Wulfsohn joined Ashland Inc. as chairman and chief executive officer on January 1, 2015. Prior to joining Ashland, he served four years as president and CEO of Carpenter Technology Corporation. Mr. Wulfsohn also had served on Carpenter Technology's board since 2009. Prior to that, he served as senior vice president, industrial coatings at PPG Industries. Before joining PPG, Mr. Wulfsohn was vice president and general manager for Honeywell International. In addition, he has worked for Morton International/Rohm & Haas, beginning as a director of marketing and subsequently as vice president and business director. Mr. Wulfsohn began his professional career with McKinsey & Company. He holds a chemical engineering degree from the University of Michigan and a Master of Business Administration degree from Harvard University. Mr. Wulfsohn is a director of PolyOne Corporation.