Every HR Leader knows that the salary review and bonus season is a hectic time for an organisation. For the business leaders, it means deciding who gets bonuses and pay increases and who doesn't.

More and more organisations are questioning whether historical performance ratings are the best way to drive and reward performance.

But how do you realistically make this change in a global organisation? What becomes the link that binds pay to to performance? And what message are you sending your employees when you take away the rating system?

Alec Bashinsky, Chief Human Resources Officer and Asia Pacific Regional Talent Leader at Deloitte discusses the implications of Deloitte's move away from performance ratings.