Investment Opportunities in Sustainability

 Biography of speakers


Prof Alexander J.B. Zehnder
NTU Board of Trustees Member 
Committee Chairman, Sustainable Earth Peak of Excellence
Chair, Sustainable Earth Office

Alexander J.B. ZEHNDER is Visiting Professor and member of the Board of Trustees of Nanyang Technological University (NTU), Singapore, Scientific Director of Water Resources of Alberta Innovates in Edmonton, Canada founder and director of triple Z Ltd. (, former president of the ETH Board and Professor emeritus of ETH Zurich, Switzerland.
His scientific work has focused on water policy, the nexus between water, energy and food security, water safety and infrastructures, as well as innovative solutions in industrial water treatment, particularly in the oil and gas industry. He did much work on the scientific and economic fundamentals for sustainable development. Outside of academia he is involved in developing capital market instruments for more sustainable production and use of natural resources. The Dow Jones Sustainability Index is based on some of his contributions. He is one of the “founding fathers” of the concept of the “2000 Watt” Society. He helped to build up the Swiss innovation environment and has reorganized NTU’s innovation system.
He heads NTU’s Sustainable Earth Office which coordinates NTU’s sustainability activities, chairs the Scientific Advisory Board of SCELSE, one of Singapore’s Research Centre of Excellence, and is a member of the International Advisory Panel of Singapore’s Environment and Water Industry Development Council. He is a member of the Council STS (Science and Technology in Society) forum Kyoto, the Scientific Advisory Board of Alberta’s Government newly launched Environmental Monitoring and Science Division, Nestlé’s Advisory Board on Creating Shared Value, the Board of Trustees of the Dubai based Mohammed bin Rashid Al Maktoum Knowledge Award, and the Industry Advisory Board of zouk ventures, a London based venture capital firm investing primarily into clean technology, energy and water.

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Ms. Esther An
Chief Sustainability Officer
City Developments Limited

A pioneer CSR practitioner for over 20 years, Esther is instrumental in building up City Developments Limited’s (CDL) sustainability leadership.
CDL is the first and only Singapore company listed on the Global 100 Most Sustainable Corporations in the World for 8 consecutive years and is currently ranked the top real estate company. It is also included in leading global sustainability benchmarks such as the FTSE4Good Index Series since 2002, MSCI Global Sustainability Indexes since 2009 and Dow Jones Sustainability Indexes since 2011.
CDL was the first Singapore company to publish a Global Reporting Initiative (GRI) Application Level checked sustainability report in 2008 and the first real estate company to publish an Integrated Sustainability Report in 2015, adopting the IIRC Integrated Reporting <IR> framework.  Furthering its position as a sustainability leader, CDL successfully issued a green bond in April 2017, the first issuance by a Singapore company.
A member of the World Green Building Council’s Corporate Advisory Board and the Urban Land Institute Women’s Leadership Initiative Singapore Steering Committee, Esther is also a committee member of the Global Compact Network Singapore, which is the local network of UN Global Compact for CSR.   Her latest appointments include: member of the UNEP Finance Initiative Property Working Group, GRI Corporate Leadership Group for Integrated Reporting and Sustainable Stock Exchanges’ Green Finance Advisory Group.  The founder of the Women4Green network, Esther is committed to engaging and empowering women in the male-dominated green industries to drive the sustainability agenda.   
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Ms. Yeo Lian Sim

Special Adviser Diversity

Singapore Exchange (SGX)


At the Singapore Exchange (SGX) Lian Sim has led the introduction of sustainability reporting for listed companies, focused on opportunities and risk management. Reporting was first voluntary in 2011 and now a ‘comply or explain’ rule effective end 2017. Lian Sim also participates as a Vice Chair of the FSB’s Task Force on Climate-related Financial Disclosures.

Lian Sim was previously Chief Risk and Regulatory Officer, with responsibilities relating to listed companies, member brokers and trading surveillance. Risk management covered financial risk of clearing and settlement and oversight of enterprise risk.

Before joining SGX, Lian Sim’s career was at the Monetary Authority of Singapore in various roles including managing reserves, implementing exchange rate policy and regulating the capital market.

She is a graduate of the University of Singapore and the London Business School.

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