Leadership

Attorney-General

Mr Lucien Wong, SC, was appointed the 9th Attorney-General of Singapore on 14 January 2017. Mr Wong graduated with a Bachelor of Laws (Honours) degree from the University of Singapore in 1978 and was admitted to the Singapore Bar in 1979.

He started legal practice the following year as a legal assistant in Drew & Napier, and rose to become a partner of the firm in 1982. From 1987 to 1998, Mr Wong was a partner at Allen & Gledhill. He was managing partner of the firm from 1998 to 2012, when he became chairman and senior partner.

Mr Wong has more than 30 years of experience in legal practice, specialising in banking, corporate and financial services work. He has sat on several law review committees that reviewed amendments to Singapore Company and Securities Law.

Mr Wong was appointed Deputy Attorney-General and Senior Counsel on 19 December 2016 and assumed office as the Attorney-General of the Republic of Singapore on 14 January 2017.

Deputy Attorney-General

Mr Lionel Yee Woon Chin, SC, graduated with a Bachelor of Arts in Law from Downing College, the University of Cambridge, UK in 1988 and obtained a Master of Laws (International Legal Studies) degree from the New York University, USA in 1999. He was admitted as an advocate and solicitor of the Supreme Court of Singapore in 1993.

Mr Yee started his legal practice in the Attorney-General’s Chambers (AGC) in 1991. He has held appointments in the Civil Division, the International Affairs Division and the Criminal Justice Division of the AGC and in the Ministry of Law. He was the Director-General of the International Affairs Division from 2008-2012.

Mr Yee served as the Second Solicitor-General from 1 January 2011, before being appointed as Judicial Commissioner on 1 February 2013. He was appointed Senior Counsel in January 2013.

Mr Yee was appointed the Solicitor-General on 1 February 2014 and assumed office as Deputy Attorney-General on 14 January 2017.

Deputy Attorney-General

Mr Tai Wei Shyong, SC, obtained his undergraduate law degree from the University of Oxford, where he also obtained the postgraduate degree of Bachelor of Civil Law. He trained and qualified in London as a solicitor with an international law firm, and is called to the New York Bar.

He joined the Singapore Legal Service in 1999 as a Justices’ Law Clerk. He later served as a Deputy Public Prosecutor, and Assistant Registrar of the Supreme Court. He was appointed Chief Prosecutor in the Attorney-General’s Chambers in 2013. In addition, he has held a number of appointments in the Singapore Public Service, including Deputy Secretary of the Ministry of Home Affairs.

Mr Tai obtained an MPhil in criminology from the University of Cambridge in 2009, focussing on violence research, in particular, historical levels of homicide in Singapore.

He was appointed and assumed office as Deputy Attorney-General on 1 January 2021.

Deputy Attorney-General

Mr Goh Yihan, SC, graduated with a Bachelor of Laws (1st Class Honours) from the National University of Singapore (NUS) Faculty of Law in 2006 as the valedictorian and obtained his Master of Laws from Harvard University in 2010. Mr Goh was called to the Singapore Bar in 2011 and was appointed Senior Counsel in January 2021. 

He served as a Justices’ Law Clerk and subsequently as Assistant Registrar at the Supreme Court from 2006 to 2008. 

Mr Goh joined the NUS Faculty of Law in 2008 and was appointed Assistant Professor in 2011. He joined the Singapore Management University (SMU) Yong Pung How School of Law in 2014 as an Associate Professor of Law and was appointed Dean in 2017. He was subsequently appointed Professor of Law in 2019.

On 1 July 2022, he was appointed Judicial Commissioner of the Supreme Court. He was appointed Judge of the Supreme Court on 1 October 2023. 

He was appointed and assumed office as Deputy Attorney-General on 1 January 2025.

Deputy Attorney-General

Ms Valerie Thean was awarded the President’s Scholarship in 1988 and graduated with a Bachelor of Arts (First Class Honours) from Downing College, Cambridge University in 1991, before obtaining her Master of Laws from Harvard Law School in 1995.

She joined the Singapore Legal Service in 1992. After her first posting as a Justices’ Law Clerk, she held various appointments within the public service, including Assistant Registrar at the Supreme Court, Senior State Counsel at the Attorney-General’s Chambers, Deputy Secretary of the Ministry of Law, and Senior District Judge of the Family and Juvenile Justice Division of the State Courts.

Ms Thean was appointed the first Presiding Judge of the Family Justice Courts (FJC) on 1 October 2014, a position she held concurrently while serving as a Judicial Commissioner.

She was appointed and assumed office as Deputy Attorney-General on 1 April 2026.

Solicitor-General

Ms Daphne Hong graduated from the National University of Singapore with a Bachelor of Laws degree in 1991 and a Masters of Laws degree in 1995. She was admitted as an advocate and solicitor of the Supreme Court of Singapore in 1991.

She started her career in the then-Subordinate Courts as Deputy Registrar before she was appointed as Magistrate and then District Judge. She joined the Supreme Court in 2004 and served as Senior Assistant Registrar.

In 2006, Ms Hong was appointed as a Deputy Senior State Counsel in the International Affairs Division of the Attorney-General’s Chambers. She was appointed as Deputy Director-General in 2012 and Director-General in August 2016.

She was appointed and assumed office as Solicitor-General on 1 April 2022.