Mr Melvin Yong Yik Chye is currently the Assistant Secretary-General at the National Trades Union Congress (NTUC); Director, Care Division of NTUC; Executive Secretary of the National Transport Workers' Union; and the President of the Consumers Association of Singapore (CASE).  

Mr Yong was an Assistant Commissioner of Police with the Singapore Police Force (SPF). He joined the SPF in 1995 and retired in August 2015 after more than 20 years in service. During his career, Melvin held various key appointments in the SPF, including Deputy Director (Planning & Organisation), Director (Administration & Finance), Commander of Clementi Police Division and Director (Public Affairs). He also held a concurrent appointment as Deputy Director (Operations) between November 2013 and June 2014. Mr Yong was awarded the Public Service Medal in 2010.