David N. Weidman (born (1955-05-23)May 23, 1955[1]) was Chief Executive Officer and a member of the board of directors of Celanese Corporation from December 2004 to April 2012, when he retired.

In December 2004, after the company moved from Germany to the United States, he became chief executive officer and a member of the board of directors of Celanese Corporation.

[2] Weidman is a past chairman of the board of the Society of Chemical Industry and of the American Chemistry Council (2009).

[9] Weidman is a member of the board of the National Advisory Council of the Marriott School of Business at BYU.

[13] The couple donated $10 million towards the establishment of the Weidman Center for Global Leadership in the Ira A. Fulton College of Engineering and Technology at BYU in 2011.