Westlake Chemical
Westlake Chemical's Board of Directors includes Michael J. Graff and 9 others.
David T. Chao
Director
Jeffrey W. Sheets
Johnathan S. Zoeller
Kimberly S. Lubel
Marius A. Haas
Mark A. McCollum
Michael J. Graff
R. Bruce Northcutt
Thomas J. Janssens
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7 members