Mr. McCullough currently sits on TransDigm Group Incorporated’s Board of Directors and serves as an investor in and advisor to several private entities. He previously served as Chief Executive Officer of ARI Packaging, Inc. Prior to that, he was President and Chief Executive Officer of Career Education Corporation, where he also served on the Board of Directors. In addition, he has held senior roles at Abbott Laboratories, Wm. Wrigley Jr. Company and The Procter & Gamble Company. Notably, Mr. McCullough served as an Infantry Officer in the U.S. Army for 5 years, beginning as a Second Lieutenant and rising to the rank of Captain.