Singapore, 29 September 2025... The Monetary Authority of Singapore (MAS) announced today that Ms Abigail Ng will be appointed Chief Sustainability Officer (CSO) from 6 October 2025. Abigail will take over from Ms Gillian Tan, who has concurrently held the roles of Assistant Managing Director (Development & International) and MAS’ CSO since October 2022.

2. Over the last three years, under Gillian’s leadership, MAS’ Sustainability Group (SG) launched the Finance for Net Zero Action Plan to mobilise financing to catalyse Asia’s transition to a low carbon economy. The Group also advanced key initiatives, including the Singapore-Asia Taxonomy to promote consistency and clarity in sustainable financing standards, the Transition Credits Coalition (TRACTION) and the Financing Asia’s Transition Partnership (FAST-P) to accelerate energy transition and blended finance in Asia, as well as the Sustainable Finance Jobs Transformation Map to enhance skills and competencies in sustainable finance.

3. With MAS’ sustainability agenda entering a more developed and mature phase, this is an opportune time to transition SG’s leadership to a dedicated CSO role. Gillian will continue to lead the Development & International Group as Group Head.

4. Abigail, currently Department Head of the Markets Policy & Consumer Department, brings strong experience in sustainability issues, including collaborating with international organisations and diverse stakeholders, to formulate sustainability disclosure policies and requirements.

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