Until his retirement in March 2020, Mr. Boss was the president and chief executive officer of Momentive Performance Materials Inc. ( MPM ), a global producer of silicones, quartz and specialty ceramic materials, serving in this capacity for six years. Mr. Boss also served as a director of MPM Holdings Inc. from October 2014 to March 2020 and served as President of the Silicones & Quartz Division of MPM from March 2014 to December 2014. Mr. Boss s career spans more than 30 years in the specialty chemicals and materials industry, including various executive leadership positions with Honeywell International, a producer of commercial, industrial and consumer products. Mr. Boss also serves on the board of directors of Wabash National Corporation, where he chairs the Compensation Committee and serves on the Audit Committee; Libbey, Inc., where he serves on the Audit Committee; and Calumet Inc., where he chairs the Compensation Committee and serves on the Audit Committee. Mr. Boss earned a Master of Business Administration degree in Marketing and Finance from Rutgers Graduate School of Management and a Bachelor s Degree in Mechanical Engineering from West Virginia University.