An active advocate for green building and sustainability for over two decades, Esther has been instrumental in establishing CDL's leadership in sustainability. It is ranked top real estate company on the 2021 Global 100 Most Sustainable Corporations in the World and is the first CDP A-List company for both climate strategy and water security in SE Asia and Hong Kong. Key ESG initiatives she has spearheaded include publishing the first sustainability report in Singapore in 2008; issuing the first green bond by a Singaporean company in 2017 and building an integrated reporting framework since 2015.
A forerunner in embracing the UN SDGs, Esther was conferred 2018 SDG Pioneer for Green Infrastructure and A Low Carbon Economy by the UN Global Compact. She is also a signatory for the UNGC Caring for Climate network and a UN ESCAP Sustainable Business Network Executive Council member.
She sits on the boards or advisory platforms of several organisations, including World Green Building Council (WorldGBC), Global Reporting Initiative, GRESB Asian Real Estate Benchmark Committee and UNEP FI Real Estate Work Group. She chairs the Asia Pacific Real Estate Association's Sustainability and ESG Committee; Co-Chairs the Urban Land Institute Singapore's Sustainability Product Council and is the Vice-Chairperson of the Singapore Institute of Directors' ESG Committee, as well as the WorldGBC's Corporate Advisory Board.