Siang Yee Chua


Siang has experience working on international arbitration under a variety of governing laws and rules including SIAC, HKIAC, UNCITRAL, ICSID and ICC.
He has worked on cases involving emergency arbitrators, expedited proceedings and arbitration-related court proceedings. The matters Siang has worked on cuts across various sectors including energy, healthcare, shipping, telecommunications and finance. Siang started his legal career at the firm in 2021. Before that, he spent four years as a journalist in Singapore’s main English newspaper, The Straits Times.


Representative matters

A Malaysian private equity fund in a Singapore-seated SIAC administered UNCITRAL arbitration concerning a pharmaceutical joint venture dispute in Vietnam.

A pension fund in a Hong Kong-seated HKIAC arbitration against a tech company in a dispute arising out of a convertible note.

An international private healthcare company in a Singapore-seated SIAC arbitration over a medical services and testing joint venture dispute in Singapore.

A large medical company in a Singapore-seated SIAC arbitration concerning a post-M&A dispute with a PRC buyer.

A joint venture company featuring a state owned entity on a Paris-seated ICC arbitration arising out of the construction of a hydroelectric power station in Europe.

BG and Reliance in arbitration proceedings exceeding USD5bn commenced under the UNCITRAL Rules against the Government of India, in disputes arising out of two production sharing contracts, and also advising them in related court proceedings.

A global energy company against two US individuals in respect of an overriding royalty interest in an oil block in South East Asia.



Solicitor, England and Wales, 2023


BA, Law, University of Cambridge, 2020
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.