BloombergChevron Hands Mantle to Ex-Refining Boss Mike WirthBloombergMike Wirth, who spent his entire career with Chevron Corp., will succeed John Watson as chairman and chief executive as the world's third-largest publicly traded oil explorer recovers from a global oil market hammered by a price-killing supply glut ...Chevron names Michael Wirth chairman and CEOCNBCChevron Names Wirth Chairman, CEO as Watson RetiresTheStreet.comChevron Names Michael Wirth Chairman, CEOWall Street Journal (subscription)Chron.com -Seeking Alpha -Financial Times -U.S.