Ms. Tan has more than 30 years of experience in financial and treasury management, corporate finance, risk management, investment evaluation and business strategies, tax planning and procurement. Her experience covers various industries in management of large group of companies with diverse businesses in countries such as the Philippines, Sri Lanka, Singapore, United Kingdom, United State of America and Australia. She has vast experience in concession business , real estate, construction , manufacturing and oil and gas services.

She formerly worked with conglomerate AlloyMtd Group of companies and Syarikat Bekalan Air Selangor Sdn. Bhd.

She started as a Financial Controller of AlloyMtd in year 2007 before moving up the ranks as a Senior Vice President and later was promoted to be Executive Vice President, Head of Finance and Treasury of AlloyMtd Group. She was a member of the Management Committee of AlloyMTD Group and holds directorship in local and oversea companies.

She started her career in the Finance department of one of the Big 4 audit firms where she was reponsible for financial and management reporting, financial analysis, cash management and finalisation of financial statements as well as tax reporting.

She then progressed to the Corporate Services department in the same company where she provided secondment services to clients and assisted in managing a team of accounting specialists providing monthly services to a wide array of clients from various industries. These services included day-to-day operation, preparation of monthly management reports, financial statements and analysis, cash flow statement, financial projection, management reporting, annual financial statements preparation and analysis as well as providing advices to clients on accounting matters to ensure legal and regulatory compliance with all financial and accounting reporting as imposed by all relevant regulatory bodies.