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Edward Mueller

McKesson’s Hammergren to retire, Tyler named CEO

McKesson’s Hammergren to retire, Tyler named CEO

SAN FRANCISCO — McKesson Corp. announced that John Hammergren, chairman and chief executive officer, has decided to retire, effective March 31, 2019. McKesson’s board of directors has unanimously selected Brian Tyler, currently president and chief operating officer, to succeed Hammergren as CEO, effective April 1, 2019. Tyler will also remain as president. Edward Mueller, currently