Gregory A. Hoffbauer — Chief Accounting Officer, Vice President and Controller at AK Steel Holding Corporation

Mr. Gregory A. Hoffbauer, also known as Greg, has been the Chief Accounting Officer and Controller of AK Steel Holding Corporation since February 8, 2013 and also has been its Vice President since January 1, 2016. Mr. Hoffbauer served as an Assistant Controller at AK Steel Holding Corporation from January 2011 to February 8, 2013. He served as Director of Accounting at NewPage Corporation from September 2010 to January 2011 and Assistant Controller from April 2005 to September 2010. Mr. Hoffbauer was Controller at Day International, Inc. from April 2000 to April 2005. From September 1988 to March 2000, He held increasingly responsible positions in the audit and assurance practice at Deloitte & Touche LLP.