Datuk Zaiton is a Fellow and Council Member of the Association of Chartered Certified Accountants (ACCA), United Kingdom, and was the Deputy Chair of the International Federation of Accountants (IFAC) Professional Accountants in Business (PAIB) Advisory Group. Her exposure at the international level in looking at the role of accountants in value creation and building sustainable businesses has led to her strong commitment to the sustainability agenda. She is also a member of the Malaysian Institute of Accountants and the Malaysian Institute of Certified Public Accountants.

She started her career as an auditor in PricewaterhouseCoopers. She then moved into banking, including serving Malaysia's largest bank, Maybank for 12 years in various senior positions in Treasury, International Operations and Group Strategic Planning.

She was selected by the Central Bank of Malaysia to set up Malaysian Rating Corporation Berhad where she was President for 8 years.

She was also Chairman of the Board Risk and Audit Committees of Bank Islam and Chairman of the Board Governance and Audit Committee of Tabung Haji from 2018 to 2020. She also served as the Chairman of the Development Bank of Malaysia. 

She is currently the Chairman of the Board Governance and Audit Committee as well as a member of the Sustainability Committee of Sime Darby Plantation Berhad.

She is an active member in Malaysia's accounting fraternity. She is currently the Chief Executive Officer of Malaysia Professional Accountancy Centre (MyPAC), a not for profit institution which focuses on giving the opportunity and funding for students from underprivileged B40 families to pursue professional accountancy qualifications.

Sime Darby Plantation Berhad

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