In his 20s, the boss of this 4,100-employee Fortune 500 company tried to refuse a promotion to CEO—his advice to new grads is stay ‘humble’

Tony Cheng rose up the corporate ladder at Reinsurance Group of America by embracing challenging roles early and credits his steady, decades-long career growth to continual learning, humility, and a willingness to take on responsibility. His leadership helped expand RGA’s presence in Asia and…