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Leader Database

Sean M. Stack

Position

Representative Director, Chairman, President & CEO

Company Name

Proterial, Ltd.

Information

Birth Date:

24/10/1966

Education:

1995 Master of Science (MS), Management

J.L. Kellogg Graduate School, Northwestern University

1989 Bachelor of Business Administration (BBA)

University of Notre Dame

Experience

2023.1 Proterial, Ltd.

April 2023 Representative Director, Chairman, President & CEO (Current)

January 2023 Representative Director, President and CEO

2004 - 2020 Aleris Corporation

2016 - 2020 Chairman and CEO

2015 - 2016 President and CEO

2014 - 2015 Executive Vice President: Aleris Corporation
                    President and CEO: Aleris Rolled Products North America

2008 - 2013 Executive Vice President and Chief Financial Officer

2006 - 2007 Executive Vice President: Aleris Corporation
                    President: Aleris Europe, Switzerland

2004 - 2006 Senior Vice President, and General Manager of Finance Treasurer and Head of Business Development

2001 - 2004 Vice President and Treasurer, Noveon Inc.

1996 - 2000 Vice President and Treasurer, Specialty Foods Inc.

1990 - 1996 ABN AMRO Bank, specializing the Metals and Mining Sector