Tze Siong Ang
Image of Tze Siong Ang

Tze Siong Ang

Senior Associate

Email

tzesiong.ang@aoshearman.com

Phone

+65 6671 6271

Offices

Singapore

V-CARD
Tze Siong advises and represents clients in both international commercial arbitrations and investor-State disputes (on both the investor-side and State-side) in Asia Pacific and South-East Asia, particularly Singapore, Vietnam, Philippines, and Malaysia.
 

He has particular expertise in multi-jurisdiction, high-value and complex disputes involving large energy and telecommunications projects, private equity investments, M&A deals and joint ventures, complex financial arrangements, and insurance arrangements (including bancassurance). He has appeared in arbitrations, including as an advocate, under a wide range of arbitration rules, including the SIAC, HKIAC, ICC, UNCITRAL, ICSID and AAA rules.
 
Tze Siong is a frequent speaker at arbitration-related events and seminars for high-value clients. He is also a committee member of the CIArb (Singapore) Young Member’s Group. Before joining A&O Shearman, Tze Siong clerked for the Supreme Court of Singapore under both High Court and Court of Appeal judges, including the Chief Justice.

Expertise

Experience

Representative matters

  • Two global energy companies on two disputes in relation to two oil blocks in a South-East Asian State under ICC and UNCITRAL Rules respectively. The disputes involved both commercial and investment treaty arbitration claims, with the amount in dispute exceeding USD 2 billion. 
  • Shell (formerly BG and Reliance) in arbitration proceedings exceeding USD 5 billion 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. 
  • The Government of a Southeast Asian State on the defence of an investment treaty arbitration brought by a Korean investor. The dispute arises out of an investment in the real estate sector in that State and the amount in dispute is over USD 250 million. 
  • A global energy company against two US individuals in respect of an overriding royalty interest in an oil block in South-East Asia under the AAA Rules.
  • A global telecommunications company in an investment treaty arbitration against a South-East Asian State, with the amount in dispute exceeding USD 1.8 billion.
  • A South-East Asian telecommunications company in relation to a Singapore-seated SIAC arbitration arising out of an investment in a Francophone African country, with the amount in dispute exceeding USD 800 million.
  • A global telecommunications company in relation to several potential multi-billion dollar investment treaty claims arising out of regulatory interference in Asia Pacific.
  • A mobile phone network operator in a Singapore seated SIAC arbitration concerning construction and operation of telecommunications infrastructure in Myanmar.
  • Three well established private equity funds in a Hong Kong-seated HKIAC arbitration concerning a RMB 1.2 billion shareholder dispute in relation to a hydropower business in the PRC.
  • A large US-based private equity fund in a Singapore-seated, SIAC arbitration relating to a shareholder dispute over a healthcare technology company based in Singapore which the client invested USD 150 million in.
  • A leading private-equity fund in respect of their investment in an Asian non-banking financial company and financial misconduct by their joint venture partner, which involved potential Singapore-seated, SIAC arbitration and proceedings before the local courts.
  • An international banking group on a Singapore-seated SIAC arbitration arising from a USD 860 million financing arrangement in respect of a construction project in Bangladesh.
  • A Malaysian private equity fund in a Singapore-seated SIAC administered UNCITRAL arbitration concerning a pharmaceutical joint venture dispute in Vietnam.
  • A large medical company in a Singapore-seated SIAC arbitration concerning a post-M&A dispute with a PRC buyer.
  • A large healthcare company in a Singapore-seated SIAC arbitration over a medical services and testing joint venture dispute in Singapore
  • A PRC technology company in the digital television sector in a HKIAC arbitration with respect to a patent licensing dispute.
  • A litigation funder in respect of a potential funding opportunity of a Singapore law governed dispute valued at over SGD 680 million.

 

Disclaimer
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.