Robert E. Brunner has been a member of the Board since 2012, and served as its Non-Executive Chairman from May 2017 through December 2020. Mr. Brunner served as Executive Vice President of Illinois Tool Works, Inc., an international manufacturer of highly engineered fasteners and components, equipment and consumable systems and specialty products, from 2006 until his retirement in 2011. Prior to this position, Mr. Brunner held the position of President, Global Automotive Fasteners from 2005 to 2006 and President, North American Automotive Fasteners from 2003 to 2005. Prior to this position, Mr. Brunner held a variety of positions within Illinois Tool Works, Inc., including positions in general management, operations management and sales & marketing. Mr. Brunner serves on the board of directors of Leggett & Platt, Incorporated, a publicly held diversified manufacturer of engineered components and products and Lindsay Corporation, a publicly held global company focusing on providing irrigation and infrastructure solutions.