Dato’ Siew was appointed as Non-Independent Executive Director of the Company on 17 October 2001. He was re-designated as the Non-Independent Non-Executive Deputy Chairman on 20 August 2004 and subsequently as the Executive Vice Chairman on 25 January 2011.
Dato’ Siew received his secondary and tertiary education in the United Kingdom, first studying in Marlborough College, then completing his tertiary education at Imperial College, London, where he obtained his Bachelor of Science (Hons) degree in Chemical Engineering in 1977 and Master of Science (“MSc”) degree in Operational Research in 1979 respectively.
Dato’ Siew has extensive experience in the field of petrochemicals accumulated over more than 30 years in the local and international sectors.
Dato’ Siew was a very active member of the Young Presidents’ Organisation (“YPO”) from 1993 until 2006. He was Chairman of the Malaysian Chapter of YPO and was Co-Chairman of the first Regional Conference in Kuala Lumpur in 1998. He became a member of the International Board of YPO in 2000 and served until 2003. He was Chairman of YPO’s Global Leadership Congress in Beijing in 2003. He was also a past President of the Imperial College Alumni of Malaysia, a post he has held from 2008 to 2018 and a past Governor of the Board of Governors of Malborough College of Malaysia.
Currently, Dato’ Siew is the Executive Vice Chairman of Ancom Nylex Berhad (“ANB”), the holding company of the Company, and the Group Managing Director of Nylex (Malaysia) Berhad, a subsidiary of ANB. ANB is listed on the Main Market of Bursa Malaysia Securities Berhad.
Dato’ Siew is a substantial shareholder of the Company through his direct and indirect shareholding in ANB and his direct interest in the Company.
Datuk Hasnul was appointed as the DCEO of the Company in October 2019. He resigned as the DCEO of the Company on 19 March 2025.
Datuk Hasnul brings with him vast experience in the corporate sector including several reputable multi-national companies such as Unilever, Johnson & Johnson and British American Tobacco where he developed his marketing and management skills.
After spending 23 years with the multinational companies, Datuk Hasnul joined BERNAMA as its CEO in 2009. He subsequently joined The Malay Mail as its CEO in 2013. He joined Ancom Nylex Berhad (“ANB”), the holding company of the Company, in 2014 as its Executive Director (Business Development).
Datuk Hasnul obtained his Bachelor of Science degree in Business Administration in May 1984 from Southeast Missouri State University, USA. He subsequently pursued and obtained his Masters of Business Administration degree from Governors State University, USA, in December 1985.
Sabli was appointed as Executive Director – Logistics Division in May 2023.
He joined Petroliam Nasional Berhad (“PETRONAS”) as a Marketing Senior Manager in June 1992 and served in various capacities, the last being Training Senior Manager prior to his retirement in 2009.
Sabli joined ANB as its Human Resource Director in June 2009 after retiring from PETRONAS in the same year. He was later appointed Director of Chemical Integration in December 2011 and later Managing Director/CEO of Genovasi Malaysia Sdn. Bhd., in February 2021. He assumed his present position in May 2023.
Sabli graduated with Master of Business Development from Henley/Brunnel University, United Kingdom in 1988. He has a Postgraduate Diploma from Brighton Polytechnic and a Diploma from South Devon Technical College, United Kingdom. He also attended a Senior Management Programme (PETRONAS/INSEAD) and obtained a Certificate in International Management in 1999.
Chang Meng began his career as an audit assistant with Coopers & Lybrand in 1992 until 2000 with his last position as an Audit Manager. He subsequently joined Setegap Berhad, a construction company as Group Accountant in 2000 and later HLG Securities Sdn. Bhd., a stockbroking company as a Finance Manager in 2002 respectively.
He joined Tamco Corporate Holdings Berhad (former name of the Company) in 2005 as its Corporate Accounting Manager, and became its Head of Corporate Finance in 2010. He was promoted to Chief Financial Officer of the Company in 2011 and in 2014, he was also appointed as the Chief Financial Officer of ANB.
Chang Meng is a member of the Malaysian Institute of Accountants.
Mohd Yusof was appointed the General Manager of Cogent, a wholly-owned subsidiary of the Company, in February 2015. Prior to joining Cogent, he was a Senior Manager/ Director of Hayara Sdn. Bhd. and Hayana Sdn. Bhd., a solid waste management contractor and a construction materials company respectively, both of which are based in Penang, from 2013 to 2015. Before that, he held various senior managerial positions at Soi Yong Berhad and Koperasi Usaha Bersatu (M) Berhad.
Mohd Yusof holds a Bachelor’s Degree in Industrial Engineering from University of Alabama, Tuscaloosa, Alabama, USA.
Serena was the General Manager of ANT, a subsidiary of the Company, since October 2017. She retired in August 2025.
She has more than 25 years of experience in the bulk chemicals and logistics businesses. Prior to the current position, she held various positions in Perusahaan Kimia Gemilang Sdn. Bhd. (“PKG”), a subsidiary of ANB, and her last position in PKG was Senior Operations Manager.
Serena holds a Postgraduate Diploma in Business Administration from the University of Central Lancashire, United Kingdom.
Kit is currently the General Manager of ANT, a position he assumed in August 2025.
He began his career in 2004 as an Audit Assistant with Peter Chong & Co., Chartered Accountants. From 2006 to 2015, he held various finance managerial positions in companies such as Cal Comp (Malaysia) Sdn. Bhd. and Malay Mail Sdn. Bhd.. In 2015, Kit joined Cogent as Finance and Accounts Manager. Two years later, in 2017, he was promoted to Deputy General Manager, where he oversaw both finance and operations. In August 2025, Kit assumed his current position in ANT.
He holds a Bachelor’s Degree in Finance from the University of Hertfordshire, UK, obtained in 2004.