Gamuda Berhad announced the redesignation of Tan Sri Dato' Setia Haji Ambrin Bin Buang, aged 74 from Independent and Non Executive Director to Independent and Non Executive Chairman of the company with effect from 01 Feb. 2023. He did Adjunct Professor from Universiti Utara Malaysia, Honorary Doctorate Award from IIC University of Technology, Cambodia, Honorary Doctorate in Accounting from Universiti Kebangsaan Malaysia, International Business from University of South Carolina, USA, and degree in Economics from University of Malaya.

Tan Sri Dato' Setia Haji Ambrin bin Buang ("Tan Sri") was appointed the Auditor General of Malaysia on 22 February 2006 upon his retirement after having served the Government Malaysian Civil Service) for over 35 years. He completed his tenure as Auditor General of Malaysia on 22 February 2017. His working career includes experience in the Ministry of Trade and lndustry from 1971 to 1982 and was appointed as Deputy Director, Small Scale Industries Division in 1981.

He has also served on the Malaysian Timber lndustry Board from 1982 to 1987 and the National Institute of Public Administration from July 1987 to 1991. Tan Sri was also attached to the Malaysian Embassy in Tokyo, Japan, from 1992 to March 1995 as Minister for Economic Affairs and Deputy Head of Mission. He was a Senior General Manager for the Kuala Lumpur International Airport Berhad from April 1995 to February 1999.

He was the State Secretary of the Selangor State Government from March 1999 to September 2001 and Secretary-General of the Ministry of Education till his appointment as Auditor General of Malaysia. Tan Sri was appointed as Chairman of the Special Investigation Committee on Governance, Procurement and Finance by the Malaysian Government from 2018 to July 2021. In 2018, he was appointed as a member of the Board of Trustees of Yayasan Pelaburan Bumiputra.

He was formerly a Board member of the Malaysian Institute of Integrity. On 1 January 2021, Tan Sri was appointed as the Deputy Chairman of the Board of Trustees for Lembaga Zakat Selangor, an institution under the Duli Yang Maha Mulia Sultan Selangor entrusted to collect and distribute zakat in the state of Selangor. He is currently a member of Dewan DiRaja Selangor.

For the past 15 years, Tan Sri has been a frequent speaker presenting his views and perspective on public sector auditing, good governance and integrity at many seminars and conferences organised domestically and internationally.