Gregory was a Managing Partner of Metal Strategies from 1998 to 2004 and still serves as advisor since September 2009. From 2004 to 2009 Mason served as Chief Executive Officer of Severstal International, with responsibility for all Severstal North American and European operations amounting to over 14 MMT of capacity. In the United States, these assets include four integrated plants – Dearborn, Warren, Sparrows Point and Wheeling, as well as Columbus – the newest North American sheet mini-mill in Columbus, MS. Prior to these positions, Mason held senior management positions at Detroit Steel, Caparo Steel, Davy International and Krupp Industries. Throughout his 30-year professional career in the steel industry, Mason has been recognized for his leadership and broad international experience in operations and strategic management, process technologies innovation and continuous improvement practices, covering a wide range of industrial applications from integrated steel plants to mini-mills throughout North America, European Union, CIS and Asia.