Mr. E. Scott Santi has been the Chief Executive Officer of Illinois Tool Works Inc. since November 2012 and has been its President since October 2012. Mr. Santi served as the Chief Operating Officer of Illinois Tool Works Inc., from October 12, 2012 to November 18, 2012. He served as the President of J & B Aviation Services Inc. He joined Illinois Tool Works Inc., in 1983 and also served as its has been an Executive Vice President since 2004 and served various sales, marketing and general management positions with the construction products, machined components and welding businesses during his 22 years with Illinois Tool Works Inc. Mr. Santi has spent his entire career with Illinois Tool Works Inc. where he joined in 1983 as a Sales Representative for Illinois Tool Works Inc.'s Buildex division which manufactures fasteners for the commercial construction market. From 1985 to 1994, Mr. Santi progressed through a series of sales and marketing management assignments at Buildex and at ITW's Paslode division. Since 1995, he served as General Manager of ITW's Vortec division. He served as Vice President and General Manager of ITW's Hobart Ground Power business since 1997 and also served as its Vice President and General Manager for all of the Hobart Brothers businesses since 1998. In 2002, he was promoted to Group Vice President for the Welding Products Group, adding responsibility for ITW's welding businesses in Europe and Asia. He served as President of the Welding Products Focus Markets Group since 2003 and was responsible for a number of welding power source and welding accessory divisions in North America. He served as Executive Vice President of Power Systems & Electronics. He has been Chairman of the Board at Illinois Tool Works Inc., since May 2015. He served as Vice Chairman of Illinois Tool Works Inc. from December 2008 to October 12, 2012. He serves as a Trustee of Rush University Medical Center. He served as Director at Federal Reserve Bank Of Chicago (the ???Company???) since January 1, 2016 until January 2018 and serves as Vice Chairman of the Board of the Company since January 1, 2018. He has been an Independent Director of W.W. Grainger, Inc. since April 2010 and Illinois Tool Works Inc. since November 2012. He serves as a Trustee at Manufacturers Alliance for Productivity and Innovation, Inc. Mr. Santi graduated from University of Illinois in 1983 with a B.S. degree in Accounting and received a Masters of Management degree from The Kellogg School of Business, Northwestern University in 1992.