John (Jack) Boss
Mr. Boss brings over 40 years of experience to the Board of Calumet. He is currently on the Board of Directors of Cooper-Standard (NYSE: CPS), Wabash National (NYSE: WNC) and Libbey, Inc. Most recently, he was President and CEO of Momentive Performance Materials, a specialty chemicals and materials business from 2014 until 2020. Prior to Momentive, he was President of Honeywell Safety Products from 2012 to 2014. He held various managerial roles within Honeywell’s Specialty Materials and Chemicals businesses from 2003 through 2014. Prior to Honeywell, he served as Vice President at Great Lakes Chemical Corporation. He also has experience at International Specialty Products, Allied Signal Corporation and Dresser Industries. Mr. Boss has an MBA from Rutgers University and a BS in Mechanical Engineering from West Virginia University.