Board Of Directors

Wong Teek Son is the founder and Chief Executive Officer of Riverstone. He was appointed to the Board as Executive Chairman on 3 August 2005. Mr Wong has been instrumental in expanding the Group's customer base and cementing business relationships with its international customers. Mr Wong's executive responsibilities include developing business strategies and overseeing the Group's operations. Mr Wong holds a Master in Business Administration from Monash University and a Bachelor of Science (Hons) from the University of Malaya.

Lee Wai Keong is the co-founder and Chief Operating Officer of Riverstone. He was appointed to the Board as an Executive Director on 3 August 2005. He has contributed to the Group's high quality control and production standards required to meet stringent international standards in the highly demanding cleanroom industry. Mr Lee is responsible for the Group's production facilities in Malaysia, Thailand and China.

Sabariah Binti Salleh is the Senior QA Manager of Riverstone. She was appointed as alternate director of Mr Wong Teek Son on 15 May 2023 to support the day-to-day management of the Group including developing business strategies and overseeing the Group's operations. Puan Sabariah holds a Bachelor of Science from University Technology Malaysia.

Chong Chu Mee is the Senior Manager of Riverstone. She was appointed as alternate director of Mr Lee Wai Keong on 15 May 2023 for overseeing the Group's production facilities in Malaysia, Thailand and China. Ms Chong holds a Bachelor of Science (Hons) from University of Malaya and Master of Business Administration from The University of Strathclyde.

Lim Jun Xiong Steven was appointed to the Board as an Independent Non-Executive Director on 26 April 2021.

Mr Lim holds a Bachelor of Commerce majoring in Accounting and Finance from the University of Newcastle, Australia. Mr Lim is a fellow member of CPA Australia, the Institute of Singapore Chartered Accountants and a member of the Society of Trust and Estate Practitioners.

Mr Lim was the Chief Executive Officer of SG Trust (Asia) Ltd, a wholly-owned subsidiary and fiduciary services arm of Société Générale Private Banking. Prior to this, he was heading the Global Wealth Solutions unit of HSBC Private Bank (Suisse) SA. Mr Lim started his career at PriceWaterhouseCoopers.

Presently, Mr Lim is an Independent Director of Bund Center Investment Limited, Sinarmas Land Limited, Livingstone Health Holdings Limited, CosmoSteel Holdings Ltd and Baker Technology Limited, all of which are listed on the official list of the Singapore Exchange Securities Trading Limited.

Raymond Fam Chye Soon was appointed to the Board as an Independent Non-Executive Director on 3 June 2020. Mr Raymond holds a Masters in Financial Planning from University of Sunshine Coast, Australia and Corporate Finance qualification from Institute of Chartered Accountants in England and Wales. He is a member of the Malaysian Institute of Certified Public Accountants and the Malaysian Institute of Accountants. He obtained a Certificate in Digital Marketing from National University of Singapore in June, 2022 and Certificate in Oxford Leading Sustainable Corporations Programme from University of Oxford in March, 2023.

Mr Raymond was also appointed to the Board of Export-Import Bank of Malaysia on 15 February, 2023 and Generali Insurance Malaysia Berhad on 2 May 2023.

Yoong Kah Yin was appointed to the Board as an Independent Non-Executive Director on 26 April 2021. Mr Yoong was independent non-executive chairman of an engineering and renewable energy company listed on Bursa Malaysia. In addition to this, he was independent non-executive director of two other listed companies on Bursa Malaysia. He co-founded and listed a food and beverage company on Bursa Malaysia after having worked in an investment bank in a senior position.

Mr Yoong holds Bachelor Degree (Honors) in Accounting and Finance from Middlesex University, London and Master of Business Administration, Bayes Business School, City University London, United Kingdom.