Justice Mavis Chionh was appointed Judicial Commissioner of the Supreme Court on 12 March 2018 and High Court Judge on 12 March 2021.
Justice Chionh graduated with a Bachelor of Arts in Jurisprudence (1st Class Honours) from the University of Oxford before joining the Singapore Legal Service in 1991. She also has a Master of Laws (Chinese Law) from the National University of Singapore.
Justice Chionh has spent more than 25 years serving in a number of postings within the Singapore Legal Service, such as the then Subordinate Courts, the Civil Division of the Attorney-General’s Chambers (AGC), the Insolvency & Public Trustee’s Office, and the Crime Cluster of the AGC where she served as Chief Prosecutor of the Financial and Technology Crime Division (formerly known as the Economic Crimes and Governance Division) and as Chief Prosecutor of the Criminal Justice Division. Prior to her appointment as a Judicial Commissioner, she was 2nd Solicitor-General at the AGC.
Justice Chionh was appointed Senior Counsel in 2015 and received the Public Administration Medal (Gold) in the same year.