Deya is a Partner in the Energy, Projects and Construction Practice.

Deya’s main areas of practice are litigation and arbitration. The focus of Deya’s practice is on disputes relating to projects across various industries, including energy, public infrastructure, environmental engineering, air industry technology, and construction. In addition, Deya routinely handles criminal and regulatory matters before the Singapore courts.

Deya graduated from Singapore Management University and is admitted to the Singapore Bar. During his time in university, Deya was part of the team that represented Singapore Management University in the Willem C. Vis International Commercial Arbitration Moot in 2013 and 2014, earning honourable mention prizes for oral rounds and memorials.

Outside of his legal practice, Deya has, since 2015, been coaching the teams from Singapore Management University in the Willem C. Vis International Commercial Arbitration Moots.

Deya was also the winner of the cross-examination segment of the Remote Oral Advocacy Programme 2021 organised by Delos Dispute Resolution, before a panel consisting of Mr Michael Hwang SC, Mr Toby Landau QC, and Ms Chiann Bao.

Significant transactions that Deya has been involved in include advising / acting for the following:

  • A multinational corporation ("MNC") in an ICC arbitration against a sovereign state for claims amounting to more than S$250 million, in connection with the design, construction and operation of a waste management and green energy facility in the Middle East.
  • A MNC in dispute resolution proceedings against a government agency in the Middle East in connection with a national sewage treatment project, with claims amounting to more than S$500 million.
  • The subsidiary of a listed public infrastructure corporation in one of the longest criminal trials before the Singapore courts (60 days) arising out of workplace safety and health violations.
  • A MNC in an SIAC arbitration against another MNC arising out of a teaming agreement concerning the airline industry with claims amounting to more than US$400 million.
  • The Attorney-General of Singapore in an application for pre-action disclosure, and judicial review proceedings brought by death-row prisoners.
  • A MNC in an ad-hoc arbitration under the UNCITRAL Rules in connection with tunnelling and pipe-lay works for an offshore natural gas project in Africa.

Related Practice

  • Energy, Projects and Construction

Contact Details

Career & Qualifications

Singapore Management University (LL.B., Hons.)

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