In 2008, he won the Lee Kuan Yew Postgraduate Scholarship and went on to study for a Master of Business Administration at INSEAD's Singapore campus.

[2][3] Lim enlisted in the SAF in December 1990 and was commissioned as a Guards officer in August 1991.

[4] Lim completed the Combined Arms Tactics Course conducted by the British Army in Warminster in 1998.

He also attended the United States Army Command and General Staff College in Fort Leavenworth between 2001 and 2002.

[4] Lim joined resource manufacturer Royal Golden Eagle as a managing director in January 2019.