Thomas Hill

Thomas W.
Hill was the founder of Summit Materials LLC, founded in 2009, where the title held was Chief Executive Officer & Director in 2013.
Mr. Hill was the founder of Summit Materials, Inc., founded in 2009, where the title held was President, Chief Executive Officer & Director from 2018 to 2020.
Current jobs include Director at Wildlife Habitat Council since 2014, Director at Continental Cement Co. LLC, and Independent Director at Knife River Corp.
starting in 2024.
Former jobs include Chairman, Chief Executive Officer & President at Summit Materials Corporations I, Inc.; Chief Executive Officer at CRH America, Inc. from 2006 to 2008; Chief Executive Officer at CRH Americas Materials, Inc.; Chairman at American Road & Transportation Builders Association from 2002 to 2004; Director at Astec Industries, Inc. from 2008 to 2009; Director at CRH Plc from 2002 to 2008; Treasurer at National Asphalt Pavement Association; and Treasurer at National Stone, Sand & Gravel Association.
Education includes an undergraduate degree from Duke University in 1978 and an MBA from Trinity College Dublin in 1980.