Leadership Team

Board of Directors

James Chao

Chairman of the Board

Westlake Chemical Corporation

Albert Chao

President and Chief Executive Officer

Westlake Chemical Corporation

David T. Chao

Executive Chairman

Tanglewood Property Management Company

John Chao

Managing Director

Tanglewood Property Management Company

Michael J. Graff

Chairman, Chief Executive Officer

American Air Liquide Holdings, Inc.

Marius A. Haas

Partner and Co-Founder

BayPine Capital

Dorothy C. Jenkins

Trustee Emeritus

Wellesley College

Kimberly S. Lubel

Former Chairman, President and Chief Executive Officer

CST Brands, Inc.

Mark McCollum

Former President and Chief Executive Officer

Weatherford International PLC

R. Bruce Northcutt

Partner

Navitas Midstream Partners, LLC.

Jeffrey W. Sheets

Former Executive Vice President and Chief Financial Officer

ConocoPhillips