Yi-Jun focuses on complex, cross-border commercial litigation and arbitration, and white-collar investigations. She has a broad range of experience, across a variety of industry sectors, in shareholder, mergers and acquisitions, private equity, joint venture, and other types of disputes.

In relation to her work on international arbitration, she has represented numerous conglomerates and multi-national corporations in commercial arbitrations under various rules, including Singapore International Arbitration Centre (SIAC), International Chamber of Commerce (ICC), London Court of International Arbitration (LCIA), and United Nations Commission on International Trade Law (UNCITRAL).

Yi-Jun was recognized as a Rising Star by Asian Legal Business (ALB) in its 2024 edition. Clients describe Yi-Jun as a “trusted resource for [their] organization” whose “clarity of thought shines through in her written work", and as having a “comprehensive understanding and superb control over [matters] all the way through.”

Yi-Jun is qualified in Singapore and England and Wales, and she is bilingual in English and Mandarin Chinese. Yi-Jun is also a Fellow of the Chartered Institute of Arbitrators, a member of the YSIAC Council, and Assistant Editor for Southeast Asia of the Kluwer Arbitration Blog.

Representative Experience

• Several private equity funds against an Indian airport infrastructure group in a consolidated Singapore International Arbitration Centre (SIAC) arbitration involving a dispute arising out of investments in an infrastructure company in India. The issues involved included compliance with the India Foreign Direct Investment (FDI) regime, and the construction of contractual exit mechanisms. The amount in dispute was in excess of US$500 million.
• A major aeronautics company in two International Chamber of Commerce (ICC) arbitration involving claims of breach of contract arising out of consultant agreements.
• The private equity arm of a major international bank in a US$125 million Singapore International Arbitration Centre (SIAC) arbitration involving disputes under a shareholders’ agreement relating to its investment in an SGX-ST listed company.
• A leading Swiss bank in Singapore litigation proceedings commenced by a Georgian multi-billionaire and former prime minister concerning the bank’s management of his accounts and assets.
• A private equity fund in Singapore litigation proceedings against a contractual counterparty for a breach of a put option agreement.
• A global financial institution (as respondent) against an Australian individual with his associated companies in an AU$700 million Singapore International Arbitration Centre (SIAC) arbitration involving allegations of misrepresentation, breach of fiduciary duties and/or breach of contract, and in related Singapore court proceedings for an anti-suit injunction to restrain the counterparties’ breaches of the arbitration agreement.
• A leading oil and gas company in an AU$1.4 billion International Chamber of Commerce (ICC) arbitration involving disputes arising out of the construction of a loading jetty and another marine structure in Western Australia for the extraction and export of liquefied natural gas.
• Several private equity funds in a US$100 million United Nations Commission on International Trade Law (UNCITRAL) arbitration administered by the Hong Kong International Arbitration Centre (HKIAC) in a dispute arising out of their investment in a group of companies, and successfully obtaining freezing injunctions against counterparty in numerous jurisdictions including Hong Kong and Singapore. 
• A global financial institution in a cross-border internal investigation involving financial misconduct and potential regulatory breaches. 
• A Brazilian mining conglomerate in a US$2.5 billion London Court of International Arbitration (LCIA) arbitration and associated High Court litigation clams concerning alleged bribery, corruption, and fraud against its former joint venture partner in Guinea. 
• An Italian bank in the English courts in litigation against various Italian municipalities which defaulted on numerous International Swaps and Derivatives Association (ISDA) contracts. 
• A global financial institution in an internal investigation and on obligations to the UK regulator.