Ka Sen Wong


Ka Sen is Head of Australia Tax.

He provides expert tax advice across a wide range of areas, including private and public M&A, funds, TMT, projects, energy and resources, infrastructure, financial services and capital markets. He advises on both transactional work and ATO investigations/disputes.

Clients appreciate Ka Sen’s ability to reduce complex rules to workable solutions and plain English advice, his “high-quality, commercially minded service” and his ability to think laterally and develop “alternative strategies and solutions” that are “tailored to work for us”.

Legal 500 lists Ka Sen as a Leading Individual, and the Global Tax Practice is ranked Band 1 with Chambers and Partners.

Ka Sen is a member of the Tax committees of the Law Council of Australia, the Tax Institute of Australia and the Australian Investment Council and regularly consults on new developments.


Representative matters

Crown Castle (US) on the disposal of its Australian telecommunications tower business.

Equinix on tax implications of its acquisition of Metronode.

Danica Livsforsikringsaktieselskab on the sale of certain shares and loan notes in OneFortyOne Plantations to Campbell Global (ABN 50 612 240 909) as trustee for the Q Timberland Trust.

OZ Minerals on the acquisition of Avanco Resources, and the subsequent integration of Avanco’s Brazilian copper and gold mining resources into Oz Minerals.

Leadership Positions And Professional Affiliations

  • Tax Institute of Australia



Admitted to practise in New South Wales, 2005


Master of Laws, University of Sydney, 2010

Bachelor of Commerce, University of Sydney, 2003

Bachelor of Laws (Hons), University of Sydney, 2003

A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.