Karl H. Watson, Jr.

Executive Vice President and Chief Operating Officer

Karl H. Watson, Jr. joined Summit Materials in January 2018 and has more than 25 years of experience in the construction materials industry. From January 2017 to December 2017, Mr. Watson served as President, Cement & Southwest Ready Mix at Martin Marietta Materials, Inc. Prior to joining Martin Marietta, Mr. Watson served in various leadership positions at CEMEX and Rinker Group Ltd., which was acquired by CEMEX in 2007.

From January 2016 to June 2016, Mr. Watson served as an advisor to CEMEX, where he was previously the President of CEMEX USA and Global Relation Manager, Network Leader, from 2011 to 2015. From 2008 to 2011, Mr. Watson served as President of CEMEX, Florida and CEMEX, East, USA. Mr. Watson is currently on the board of directors of the Texas Aggregates & Concrete Association and on the executive committee of the Portland Cement Association where he served as the vice chairman from 2013 to 2015.

He is a past chairman of the National Ready Mix Concrete Association and the Florida Concrete and Products Association and was on the board of directors of the National Stone, Sand and Gravel Association from 2007 to 2011. Mr. Watson has a Bachelor's of Science degree in Business Administration from Palm Beach Atlantic University.