Yi Siong is an Of Counsel in our Litigation and Dispute Management Team.

He specialises in criminal litigation at the trial and appellate level, having appeared as lead counsel at all levels of the Singapore courts. As defence counsel, he has represented clients across the entire spectrum of white-collar and blue-collar offences, including the second accused in Singapore’s longest running market manipulation trial – Public Prosecutor v Soh Chee Wen & Quah Su-Ling. As prosecuting counsel, he has acted for and advised professional bodies and statutory bodies, such as the Energy Market Authority, the Singapore Medical Council, and the Singapore Dental Council. Yi Siong has also advised the Institute of Singapore Chartered Accountants on disciplinary proceedings against its members.

A keen believer in learning from overseas best practices, Yi Siong completed a 3-month secondment to Peters & Peters Solicitors LLP in 2018 and a 1-month attachment at barristers’ chambers 7BR in 2022.

In August 2019, Yi Siong was at 29 the youngest recipient of the prestigious Joseph Grimberg Outstanding Young Advocate Award by the Singapore Academy of Law. Named after a highly-regarded former Judicial Commissioner and Senior Counsel, the award recognizes young lawyers in good standing who exhibit professional excellence, service to the profession and the bar, and service to the community.

Yi Siong graduated magna cum laude from Singapore Management University in 2014 and was admitted as an Advocate & Solicitor of the Supreme Court of Singapore in 2015. He has been a member of the Law Society’s Criminal Law Practice Committee since January 2018, and an advocacy tutor for Part B of the Singapore Bar Examinations since June 2021. He was a Council member of the Law Society from January 2017 to December 2018, and from June 2022 to December 2024, having also been appointed to the Council’s Executive Committee from 1 January 2023 to 31 December 2024.