A former Commonwealth Bank executive alleges he was bullied and sacked after blowing the whistle on a system that allowed staff to artificially boost their bonus pay by making false claims about introducing bank products to customers.

Timothy Richard Cradock was employed as an executive manager overseeing group strategy and international financial services and received a salary of $221,470 plus an incentive payment of $143,500 in his final year of work. His contract provided incentives potentially worth up to $205,000 in 2012. He was also general manager for migrant and multicultural, retail banking services

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