The past three years have been tough for most CEOs as they battled through the unknowns caused by the pandemic. But there may not be a CEO in the country who has been through as much as Molson Coors CEO Gavin Hattersley, who was appointed head of the major beer brewer in September 2019. He has led a turnaround of the brewer during a period of incredible hurdles, including a tragic shooting, pandemic and a cyber security attack.