Steven J. Demetriou
Chairman and Chief Executive Officer

Steven J. Demetriou became Chairman of the Board and Chief Executive Officer of Aleris following the merger of Commonwealth Industries Inc. and IMCO Recycling. Mr. Demetriou had served as President and Chief Executive Officer of Commonwealth from June 2004 and served as an outside Director of Commonwealth from 2002 until the merger. Mr. Demetriou was President and Chief Executive Officer of Noveon, Inc., a global producer of advanced specialty chemicals, from 2001 until June 2004. Prior to that, from 1999 to 2001, he was Executive Vice President of IMC Global Inc., a producer of crop nutrients and animal feed ingredients. Mr. Demetriou also served in a number of leadership positions with Cytec Industries Inc., a specialty chemicals and materials company, from 1997 to 1999. From 1981 to 1997, he held various positions with Exxon Corporation.
Mr. Demetriou is a Director of OM Group, Inc., Foster Wheeler, Ltd., and Kraton Polymers LLC and serves on the Board of Advisors for Resilience Capital Partners, a private equity investment group. In addition, Mr. Demetriou serves as Chairman of the Aluminum Association.

