Marathon Petroleum Corp. Appoints Maryann T. Mannen as New Chairman of the Board Marathon Petroleum Corp. has elected Maryann T. Mannen as the new Chairman of the Board, effective January 1, 2026, succeeding Michael J. Hennigan.

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 MPLX LP announces the election of Maryann T. Mannen as Chairman of the Board. Her leadership is expected to bring significant advancement.

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 The Cigna Group welcomes Michael J. Hennigan to its Board of Directors, effective June 2, enhancing its leadership with his vast experience in strategic initiatives.

Michael J. Hennigan Joins The Cigna Group Board of Directors This Week #USA #Cigna_Group #Board_of_Directors #Bloomfield #Michael_Hennigan