HollyFrontier Corporation announced that Mark A. Plake will step down from his role as president of HollyFrontier Lubricants & Specialties on June 1, 2020, and will retire from HollyFrontier on December 31, 2020. From June 1 to December 31, 2020, Plake will serve in an advisory role and assist with the transition of his current […]
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