Hazel has more than 30 years of experience in corporate secretarial practice and compliance advisory services, having worked in several established professional business services companies in Singapore, and acted as company secretary of numerous companies listed on the Singapore Stock Exchange and private limited companies incorporated in Singapore. Hazel was admitted as a fellow member of the Institute of Chartered Secretaries and Administrators (now known as The Chartered Governance Institute), United Kingdom, in April 2001 and has been a practising chartered secretary to engage in public practice in Singapore certified by the Chartered Secretaries Institute of Singapore (formerly known as the Singapore Association of the Institute of Chartered Secretaries and Administrators) since October 1991.

Her extensive experience includes all aspects of corporate secretarial compliance, board advisory services,  company registration, corporate restructuring and various corporate actions.