Tun Raus began his legal career in 1976 as an officer in the Judicial and Legal Service where he held various posts, including Magistrate President of the Sessions Court, Deputy Public Prosecutor, legal Advisor to the Ministry of International Trade, Ministry of Defence and Ministry of Home Affairs. His had also served as the State Legal Advisor for Malacca and Kelantan. His last posting with the Judicial and legal Service was as the Treasury Solicitor with the Ministry of Finance.
In 1 November 1994, Tun Raus was appointed as a Judicial Commissoner and elevated as a High Court Judge on 12 January 1996. During his tenure as a High Court Judge, he had served in Shah Alam., Muar and Penang as well as in Kuala Lumpur Criminal Division, Civil Division (Family Court), Commercial Division and the Appellate and Special Powers Division.
Tun Raus was elevated to the Court of Appeal on 28 July 2006. Thereafter on 14 October 2009, to the Federal Court. On 12 September 2011, he was appointed as the President of the Court of Appeal. Tun Raus reached the pinnacle of his judicial carrer when he assumed the office as the 14th Cheif Justice on 1 April 2017.
On the international front, Tun Raus was given the honour to serve as the President of the Association of Asian Constitutional Court and Equivalent. Then Tun Raus was also an active participating member of the Council of ASEAN Chief Justice (CACJ).

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