Mr Rajah is presently a Consultant of the Firm. He was one of the pioneer batch of Senior Counsel who were appointed in 1997.

In 1998 Mr Rajah was appointed as member of the Singapore Mediation Centre and in 2003 was appointed as member of the Singapore International Arbitration Centre. He has acted as a Chairman and sole arbitrator in both domestic and international arbitrations in Singapore and under ICC and UNCITRAL Rules. He is a referee under the Ministry of Manpower Industrial Arbitration Court. Mr Rajah has acted as arbitrator in cases involving contract, commercial and construction issues where the applicable law has been other than Singapore law for example Thai, Indian, Bangladeshi, Indonesian and English law.

He has served as a Deputy Public Prosecutor and Senior State Counsel whilst in the Singapore legal service. He later served as a Judicial Commissioner at the Singapore Supreme Court from 1991 to 1995 in the Singapore Judicial Service.

Before joining the Firm, Mr Rajah was leading the Civil and Criminal sections of the Attorney-General’s Chambers and was Director of the Singapore Legal Aid Bureau. Mr. Rajah also served as President for the Tribunal for the Maintenance of Parents and as the Chairman of the Singapore Law Society Committee on Guidance for the Legal Profession on Anti-Money Laundering.

In his career as a litigator and an arbitrator, Mr Rajah has written and contributed more than twenty articles to the Malayan Law Journal and to the Singapore Law Gazette. In October 2008 the Law Society of Singapore conferred on Mr KS Rajah, Senior Counsel, the prestigious CC Tan Award.