Mr. Chong Tzu Khen (Mr. Chong) was appointed as Executive Director and Chief Executive Officer of AuMAS Resources Berhad (AuMAS) (fka Bahvest Resources Berhad) on 26 May 2023 and 31 May 2023 respectively. He subsequently resigned from both positions on 31 July 2025. 

Mr. Chong was the director of Wullersdorf Resources Sdn. Bhd., a wholly owned subsidiary of AuMAS. He was also the Finance Manager of AuMAS and its group of companies. He is a director of Wullersdorf Resources II Sdn. Bhd. and the managing director of Teguh Niagamaju Sdn. Bhd. He was appointed as a Committee to the Advisory Board of Polytechnic Sandakan, Sabah for a term of two years on 12 October 2017. He obtained a Post-Graduate Certificate in Sustainable Aquaculture (Vertebrates) and an Undergraduate Certificate in Sustainable Aquaculture from University of St. Andrews, Scotland, UK on 10 April 2018 and 1 May 2014 respectively and the degree of Master of Financial Planning (MFP) from University of Sunshine Coast, Queensland on 18 May 2007. Mr. Chong is a Fellow member of Malaysian Association of Company Secretaries (MACS) and he was granted a certificate of practice by MACS on 10 October 2017. He was attached to P.L.Yap & Co., a firm of Public Accountants from 1976 to 1980 as an Audit Assistant. In 1980, he joined Jetniyo Sdn. Bhd. as an Accounts Executive. In 1985, he set up his own Company under the name of T.K.Chong Commercial Services, a firm of providing bookkeeping service to Companies in Sandakan. In 1995, he joined Cepatwawasan Sdn. Bhd. as a Company Secretary and Account in charge for the group of companies. From 2001 to February 2004, he was promoted to the Personal Assistant to the Managing Director of Cepatwawasan Group Berhad.

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Direct Interest - 2,000,000 ordinary shares