Foreign exchange calculator
Discharge/Refinance Authority form
Activate a CommBank card
Interest rates & fees
Sian took up the role of Group Executive, Human Resources on 1 August 2018. She joined Commonwealth Bank in 2014 and had previously led more than 2,500 people across our customer contact centres.
Prior to joining CBA, Sian spent nine years at Westpac, working across retail and business banking, including as head of NSW retail network.
Originally from the UK, the first 10 years of Sian’s career were in HR.
Download Sian Lewis high resolution image (3.6mb)
Download Sian Lewis low resolution image (267kb)
Managing Director and Chief Executive Officer
Deputy Chief Executive Officer
Group Executive, Business and Private Banking
Group Executive, Enterprise Services, and Chief Information Officer
Chief Financial Officer
Group Executive, Institutional Banking and Markets
Group General Counsel and Group Executive, Group Corporate Affairs
Group Executive, Human Resources
ASB Chief Executive
Group Executive, Retail Banking Services
Group Chief Risk Officer