Dato’ Ir Lim Siang Chai was appointed to the Board on 1 July 2013 as Executive Chairman and re-designated as Deputy Executive Chairman on 22 December 2020. Subsequently, he was re-designated as Non-Independent Non-Executive Director on 24 January 2022 and subsequently re-designated as Executive Deputy Chairman on 16 February 2022. On 3 October 2022, Dato’ Ir Lim was re-designated as Executive Director

Dato’ Ir Lim is a Chartered Engineer (C Eng) registered with the Engineering Council, United Kingdom and Professional Engineer (P Eng) registered with the Board of Engineers, Malaysia. He is a member of the Institution of Engineers Malaysia (MIEM), Institute of Engineering and Technology of United Kingdom (MIET), an Honorary Fellow of the ASEAN Federation of Engineering Organisation, and a member of the Malaysian Institute of Management. He also holds a Master of Business Administration from Deakin University, Australia and had undergone many technical and management training in Japan.

Dato’ Ir Lim had also served the Malaysian Government as Deputy Minister in various Ministry as follows:

• Finance Ministry
• Tourism Ministry
• Information Ministry
• Transport Ministry