William J. Sandbrook is a businessperson who has been at the head of 11 different companies. Presently, Mr. Sandbrook is Chairman & Co-Chief Executive Officer at Andretti Acquisition Corp., President, Chief Executive Officer & Director at Smith Pre-Cast, Inc., President & Chief Executive Officer of Ingram Concrete LLC, Chief Executive Officer for Pebble Lane Associates LLC, President for Kurtz Gravel Co., Inc. and Director & Vice President at Alliance Haulers, Inc.

He is also on the board of 5 other companies.

Mr. Sandbrook previously held the position of Chief Executive Officer of Oldcastle Products & Distribution Group, Director at U.S. Concrete, Inc., Chief Executive Officer for Oldcastle Architectural Products Group, President & Chief Executive Officer of Tilcon New York, Inc., Chief Executive Officer at CRH Americas Products, Inc., Chief Executive Officer of CRH America, Inc., Director & Vice President at Beall Industries, Inc., President-West Division at CRH Americas Materials, Inc., Director & Vice President at Breckenridge Ready Mix, Inc., Chairman of National Ready Mixed Concrete Association and Associate Professor at US Military Academy.

Mr. Sandbrook received a graduate degree from the University of Pennsylvania, a graduate degree from Naval War College, a graduate degree from Salve Regina University, an undergraduate degree from US Military Academy and an MBA from The Wharton School of the University of Pennsylvania.