About Us
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Dato’ Dr. (Ir.) Patrick Yong Mian Thong was appointed as Chief Executive Officer (“CEO”) of the Company on 7 October 2016. Subsequently, he was appointed to the Board of the Company as a Non-Independent Executive Director on 1 June 2018 and redesignated as Group CEO on 1 January 2019. He is also the member of the Executive Committee of the Company since 24 March 2021.
He leads strategic development, policies and business operations of MSC Group. Dato’ Dr. (Ir.) Patrick Yong started his career as an engineer with the National Electricity Board of Malaysia (“LLN”) in 1976, fulfilling his scholarship contractual obligations. In 1989, he left LLN to pursue his career as a consultant in the field of electrical engineering.
Dato’ Dr. (Ir.) Patrick Yong founded Sulfarid Technologies in 2004 and was its Managing Director. The company was later acquired by the Hup Soon Global Corporation Group in November 2007 and renamed Borid Technologies. He joined Tai Kwang Yokohama Industries Bhd. as CEO from 2007 – 2010 and was appointed as Group CEO of Yokohama Industries involving SLI battery manufacturing and secondary lead smelting from 2010 to 2015.
Throughout his line of work, Dato’ Dr. (Ir.) Patrick Yong established his proficiency in electrical engineering and pursued research specialising in the field of efficiency in energy conversion and storage leading to a PhD in Electrical Engineering.
Mr. Nicolas Chen Seong Lee was appointed as the Co-Group Chief Executive Officer of the Company on 1 January 2026. He oversees the Group’s operational, corporate and institutional matters.
Mr. Chen joined MSC on 1 November 2017 as General Manager (Special Projects) in the Chief Executive Officer’s Office. Prior to his current appointment, he served as the Deputy Chief Executive Officer (Administration) of the Company since 6 April 2018. In this role, he assisted the Group Chief Executive Officer in overseeing matters relating to legal, corporate, human resources, security, information technology, procurement and general administration across the MSC Group.
Mr. Chen began his career in 1997 as a tax practitioner in a top tier accounting firm in Kuala Lumpur. In 2000, he joined the Structured Finance and Corporate Banking Division of an investment bank in Kuala Lumpur. He returned to tax practice in 2002 in a top tier accounting firm in Kuala Lumpur where he remained until 2010. From 2010 to 2017, he managed an agro-based company involved in the farming and export of Malaysian-produced fruit and downstream products.
Mr. Lam Hoi Khong was appointed as the Co-Group Chief Executive Officer of the Company on 1 January 2026, with responsibility for overseeing the Group’s financial, sales and marketing, commercial and governance-related functions.
Mr. Lam will continue to serve as the Group Chief Financial Officer of the Company, a role he has held since 7 January 2019, during which he has overseen the Group’s financial management and reporting, business support, financial planning and analysis, treasury, investor relations, tax, and the Group’s commercial and supply chain operations.
Mr. Lam has over 30 years of working experience in finance, accounting, corporate finance, auditing and taxation. He began his career with PricewaterhouseCoopers before assuming managerial and Financial Controller roles with a local automotive group and an international group based in Africa, respectively, from 1997 to 2003.
Subsequently, Mr. Lam was appointed as General Manager (Finance and Administration) of Petaling Tin Berhad, a property development company listed on the Main Market of Bursa Malaysia Securities Berhad, and was later promoted to Chief Financial Officer in 2007. He held this position until January 2017.
Prior to joining MSC, Mr. Lam served as the Group Chief Financial Officer of Tien Wah Press Holdings Berhad (“TWPH”) from February 2017 to November 2018, where he spearheaded the finance, corporate and risk management functions, and provided strategic direction on the commercial aspects of the Group’s businesses.
En. Madzlan Bin Zam joined MSC in 2002 and was assigned as Manager Geology at PT Koba Tin in Indonesia between 2002 and 2011, and later held the President Director’s post for PT MSC Indonesia and PT SRM Indonesia. During his tenure at PT Koba Tin, he passed the examination as the Pengawas Operasional Utama at the mine, which qualifies him to be the Mine Manager in Indonesia.
He was subsequently appointed as Head of Geology & Exploration of MSC in 2011 and was promoted to Head of Resources & Investments of the Company in May 2015. In 2017, he assumed his current position as the Senior General Manager of Rahman Hydraulic Tin Sdn. Bhd. (“RHT”), an 80% owned subsidiary of MSC and responsible to oversee the complete operation of RHT and its tin mine at Klian Intan, Perak. At present, he sits on the board of RHT and all RHT’s subsidiaries i.e. SL Tin Sdn. Bhd., Asas Baiduri Sdn. Bhd. and Alaf Tenggara Sdn. Bhd.
Prior to that, he had worked with Malaysia Mining Corporation Berhad between 1981 and 2002 as a Mining Geologist responsible in monitoring tin production from the dredges. He was incharged in tin and gold exploration and mining development projects in Malaysia as well as overseas i.e. Indonesia, Australia, New Zealand, Lao People Democratic Republic, Thailand, Myanmar, Kyrgyz Republic, Europe and Democratic Republic of Congo.
En. Madzlan has vast experiences and knowledge in both primary and alluvial tin, gold, base metals and coal; and was also in charge of managing a tin mine in Indonesia. He has experiences working with consultants recognised by the World Bank for the Bankable Feasibility Study of the Taldy-Bulak Gold Project, Kyrgyz Republic.
