Summit Materials enlists K. Watson Jr. for EVP, COO post

Sources: Summit Materials Inc., Denver; CP staff

Cemex USA and Rinker Materials veteran Karl Watson Jr. has joined Summit Materials as executive vice president and chief operating officer, succeeding Douglas Rauh. He arrives at the ready mixed, cement, aggregates and asphalt producer with 25-plus years in construction materials, most recently serving as president of Martin Marietta Materials’ Cement & Southwest Ready Mix business.

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