Menon was appointed a Judge of Appeal of the Court of Appeal with effect from 1 August 2012. On 6 November 2012, he took office as Singapore’s fourth Chief Justice. He is the first non-Chinese Chief Justice of the Republic of Singapore and also the first Singapore-born Chief Justice.

Menon assumed the position of Attorney-General between 1 October 2010 and 25 June 2012. He has also served as the Deputy Chairman of the Singapore International Arbitration Centre, a member of the Senate of the Singapore Academy of Law, and Chairman of the Advisory Board for the Singapore Management University School of Law.

Menon served a one-year term as a Judicial Commissioner of the Supreme Court from April 2006 to March 2007. Returning to legal practice with Rajah & Tann after this, he was appointed Senior Counsel on 5 January 2008, and became its managing partner in August 2009.

Menon first joined Shook Lin & Bok as a legal assistant in 1987, and later rose to become a partner in 1990. In 1992, together with Wong Meng Meng and Alvin Yeo, Menon co-founded WongPartnership, one of the four largest law firms in Singapore, and remained a partner in the law firm until 1995. He then joined Rajah & Tann as a partner and served as its Head of Projects & Infrastructure Group until 2003, and thereafter joined Jones Day as a partner until 2006.

Menon graduated with a Bachelor of Laws (first class honours) from the Faculty of Law of the National University of Singapore in 1986, and obtained a Master of Laws from Harvard Law School in 1991.

Sundaresh Menon SC (born 1962) is a Singaporean jurist who is currently serving as Chief Justice. He was formerly Attorney-General from 2010 to 2012 and Judge of Appeal in 2012.