Summit materials announces ceo succession plan

Summit materials announces ceo succession plan.summit materials inc - anne noonan to be named chief executive officer and director.summit materials inc - thomas w. hill to step down as ceo and director on september 1, 2020.summit materials inc - thomas w. hill will serve in consulting role through july 2023.summit materials inc - most recently, noonan served as president and ceo of omnova solutions inc.
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