Mark has considerable corporate, management and directorship experience in a broad range of functions and industries having undertaken several C-suite roles (Chairman, CEO, COO & CFO) in several private as well as listed companies. He currently serves in various Directorship roles in several SGX listed companies as well as an ASX listed company and a NASDAQ listed company.

Mr Leong is a Chartered Accountant of the Institute of Singapore Chartered Accountants (ISCA), a Fellow of the Association of Chartered Certified Accountants (ACCA), and a Member of the Singapore Institute of Directors.