Dr Lethbridge has extensive banking leadership experience across diverse markets, and spanning 40 years in general management, transformation, operations, risk and technology management. She is Executive General Manager and Chief Operating Officer of The Commercial Bank. Before joining The Commercial Bank in July 2017, she was CEO of ANZ Royal, a joint venture of Australia and New Zealand Banking Group in Cambodia, and in her fifteen years at the ANZ, had a number of senior roles including Regional Chief Operating Officer Asia; Chief Operating Officer Indonesia and Acting Head of Risk Asia Pacific. 

She has a successful track record in general management as well as acquisitions and integrations. Prior to her banking career, Dr Lethbridge was a management consultant, advising across sectors including Telecommunications, Banking and Finance, and Manufacturing. Her experience extends to several Board roles.

Dr Lethbridge has a PhD from the Swinburne University of Technology, a Master of Applied Science (Innovation and service management) from RMIT University and a Bachelor of Applied Science (Hons) from the University of New South Wales. She joined Alternatif Bank as a Board Member in October 2018.