Marathon Petroleum Corp. Appoints Maryann T. Mannen as New Chairman of the Board #USA #Marathon_Petroleum #Findlay #Michael_Hennigan #Maryann_Mannen
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Marathon Petroleum Corp. Appoints Maryann T. Mannen as New Chairman of the Board #USA #Marathon_Petroleum #Findlay #Michael_Hennigan #Maryann_Mannen
MPLX Appoints Maryann T. Mannen as Chairperson of the Board Effective in 2026 #United_States #MPLX #Findlay #Michael_Hennigan #Maryann_Mannen
Michael J. Hennigan Joins The Cigna Group Board of Directors This Week #USA #Cigna_Group #Board_of_Directors #Bloomfield #Michael_Hennigan