Dr Chua Yong Hai is an Independent Director and Chairman of the Board, and was appointed as Independent Director on 3 October 2007. Dr Chua is currently chairman and an independent director of Allco (Singapore) Ltd, the manager of SGX-ST-listed Allco Commercial REIT with assets in Singapore, Australia and Japan, and the chairman of Asia-Pacific Investment Company Ltd, a property investment company. He is also the deputy chairman of SGX-ST-listed Straits Asia Resources Ltd, which is involved in coal mining in Indonesia and in marine and offshore engineering works. He is a director of several other privately owned companies.

Dr Chua served in the Singapore Government Administrative Service from 1969 to 1982 where his last positions from 1979 to 1982 were the director of investments in the Ministry of Finance and concurrently the first general manager of Temasek Holdings (Private) Ltd, the Singapore government investment holding vehicle. In the private sector, Dr Chua was at first United Engineers Ltd's group general manager and was later its chief executive officer and managing director from 1982 to 1985. Dr Chua was the principal consultant of Egon Zehnder International, Singapore office, from 1985 to 1989. From 1989 to 1996, he was the group general manager of Suntec City Development Pte Ltd where he managed the Suntec City development in Singapore. Dr Chua has also held directorships in numerous other companies in the Asia-Pacific region including International Mezzanine Fund Management Asia Ltd, and Australian Securities Exchange-listed Lend Lease Corporation Ltd.

A Singapore government scholar and qualified chemical engineer, Dr Chua obtained a Bachelor of Science (First Class Honours) in Applied Chemistry from The University of Singapore in 1966, a Doctorate of Philosophy in Chemical Engineering from The University of New South Wales in 1970 and a Graduate Diploma in Business Administration from The University of Singapore in 1972.

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Ms Olivia Lum is a Non-Independent and Non-Executive Director and was appointed as Non-Independent and Non-Executive Director on 28 September 2007. Ms Lum is currently the Group Chief Executive Officer and President and founder of Hyflux. Ms Lum started her corporate life as a chemist in Glaxo (S) Pte Ltd. In 1989, she struck out on her own and founded Hydrochem (S) Pte Ltd, the precursor to Hyflux, a Singapore-owned membrane specialist listed on the Main Board of the Singapore Stock Exchange.

As the founder of Hyflux, Ms Olivia Lum has more than 15 years of experience in water treatment systems and membrane technology.

Ms Lum has held several positions in public service. She was a Nominated Member of Parliament from 2002 to 2004, and was a member on a number of national committees including the Beyond Careers Sub-Committee of Remaking Singapore; Economic Review Sub-Committee on Entrepreneurship and Internationalisation and Steering Committee for Education Systems Review of Junior Colleges. She was also Singapore's representative to the APEC Business Advisory Council as well as UNESCAP Business Advisory Council.

Presently, Ms Lum sits on the board of a number of companies. She is a Member of the NUS Board of Trustees and serves as Director for Singapore Exchange Ltd as well as Temasek Life Sciences Laboratory Ltd.

Recently, Ms Lum was awarded the Nikkei Asia Prize Award 2006 for Regional Growth by Nihon Keizai Shimbun Inc. In 2005, Ms Lum was awarded Asiamoney's Best Corporate Executive of the Year in Singapore. In 2004, she was named Businessman of the Year 2004 at the Singapore Business Awards. She also won the International Management Action Award (IMAA) in 2003, and many other accolades recognising her entrepreneurial achievements.

In addition to her Hyflux commitments, Ms Lum is also President of the Singapore Water Association (SWA) and a member of Singapore-Tianjin Economic & Trade Council (STETC).

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Mr Lai Chong Meng is an Independent Director and was appointed as Independent Director on 3 October 2007. Mr Lai is currently the Executive Chairman of Cleanaway-Kang Lien Co. Ltd, Kao Lien Cleanaway Co. Ltd and Hsiung Wei Co. Ltd in Taiwan, which are involved in the waste management business. Prior to that from 1995 to 2007, he was Managing Director of Brambles Asia Pte Ltd, which is involved in B2B services in information management, logistics and waste management. Mr Lai has more than 30 years experience in senior management positions in a variety of industries such as property development, sales and marketing, engineering and construction, design and manufacturing of acoustic products, shipbuilding and oil-rig building.

Mr Lai obtained a Diploma in Electrical Engineering from The Institution of Electrical Engineers in 1969, a Master of Business Administration from National University of Singapore as well as a Master of Business Administration from the University of California Los Angeles, both in 2005. He was registered as a Professional Engineer with the Professional Engineers Board from 1975 to 2005, and has held the professional designation of Chartered Electrical Engineer from The Institution of Electrical Engineers since 1975.

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Mr Ivan Png is an Independent Director and was appointed as Independent Director on 3 October 2007. Mr Png is Lim Kim San Professor in the School of Business, and Professor of Information Systems and Economics at the National University of Singapore.

From 2005 to 2006, he was a Nominated Member of the Parliament of Singapore. He was previously a faculty member at the University of California, Los Angeles, and Hong Kong University of Science and Technology.

Mr Png is currently an independent director of Hartford Education Corporation Ltd and Healthway Medical Corporation Ltd, and a member of the Trustworthy Computing Academic Advisory Board of Microsoft Corporation. He is also a consultant with Economic Analysis Associates LLP.

Mr Png obtained a Bachelor of Arts (First Class Honours) in Economics from the University of Cambridge in 1978, and a Doctorate of Philosophy in Business from the Stanford University in 1985.

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Mr Saud Siddique is both a Director and the Chief Executive Officer of the Trustee-Manager. He was appointed as a Director on 28 September 2007. He is responsible for the general management of the business trust with an overall responsibility for HWT's performance.

Prior to joining the Trustee-Manager, Mr Siddique was the Group Executive Vice-President, Global Infrastructure at Hyflux Ltd where he was responsible for leading the development of the Hyflux Group's infrastructure business globally (including water), the India operations, and assisting the Group's Chief Executive Officer and President in overseeing the Group's China and Middle East and North Africa markets, as well as its Engineering, Procurement and Construction business globally. In India, Mr Siddique was leading Hyflux's team in developing several water and waste water treatment and recycling projects in West Bengal, Karnataka, Gujarat, and Tamil Nadu.

Prior to joining Hyflux in 2007, Mr Siddique was with International Finance Corporation ("IFC"), the private sector arm of the World Bank Group, from 1991 to 2007. At IFC, Mr Siddique led investment teams on project financing, structured debt and equity investments, in the infrastructure and financial markets sectors in Asia and Latin America. He was responsible for one of the first and many subsequent investments by IFC in infrastructure in Peoples' Republic of China. He was also responsible for IFC's investment in Infrastructure Development Finance Company in India. In the East Asia Pacific Region, he has identified and evaluated a number of water projects and companies. He was also in charge of structuring and investing in several investment funds, including the Scudder Latin America Power Fund, the first infrastructure fund for emerging markets, the Asia Mezzanine Infrastructure Fund, and Profund, IFC's first investment in the microlending sector. Prior to joining IFC, Mr Siddique was with Swiss Bank Corporation in New York from 1985 to 1991, where he was responsible for structured financing transactions in the United States of America, including municipal finance, leveraged buyouts, leveraged leasing, and asset-backed securitisation. During 1981 to 1983, Mr Siddique worked for an economic consulting firm in Washington D.C.. Mr Siddique has more than 25 years of experience in international banking and finance and economic consulting, and investing in water and water-related infrastructure assets.

Mr Siddique obtained a Bachelor of Science degree in Computer Science from the University of Maryland, College Park, United States of America in 1981, and a Masters in Business Administration from the Cornell University, United States of America in 1985.

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Mr Simon Tay was appointed as an Independent Director on 1 May 2008. Mr Tay holds a Masters in Law from Harvard Law School, and LLB Hons from the National University of Singapore, and is a qualified Advocate and Solicitor for the Supreme Court of Singapore. He is an Associate Professor and he teaches international law at the Faculty of Law of the National University of Singapore. He is concurrently chairman of the Singapore Institute of International Affairs, a non-governmental think tank that represents Singapore in the influential ASEAN-ISIS network of regional think tanks. From July 2002 to 31 March 2008, he was the chairman of the National Environment Agency, the country’s major agency for environmental protection and public health. In Fall 2003, he was a visiting professor, teaching at the Harvard Law School and Fletcher School of Law and Diplomacy.

Mr Tay was selected for three terms as a Nominated Member of the Singapore Parliament (1997 – 2001) and has served to lead public consultations on Singapore in the 21st century, the national concept plan, and the Singapore Green Plan 2012. In 2006, he received the Public Service Medal (Pingat Bakti Masyarakat, PBM), a Singaporean National Day award.

He was a Fulbright scholar (1993-94) at Harvard Law School, where he won the Laylin prize for the best thesis in international law. In Jan 2000, the World Economic Forum (Davos) named him a “global leader of tomorrow”. In 2002, he was awarded an Eisenhower Fellowship, one of Singapore’s first non-governmental recipients of this award.

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Mr Sam Ong is currently the Hyflux Group Deputy Chief Executive Officer and Group Financial Officer. Mr Ong joined Hyflux Ltd in September 2006.

Mr Ong's responsibilities and experience since joining Hyflux Ltd include overseeing finance, investment, legal, mergers and acquisitions, risk management, investor relationship and the energy business of the Hyflux Group. Notably, Mr Ong led the launch of Hyflux Water Trust amongst many other key corporate transactions.

In the 18 years prior to joining Hyflux Ltd, Mr Ong held influential global and Asia Pacific leadership positions in the USA and in Singapore, ranging from treasury and finance, pension fund investment, strategic planning, project financing and business development.

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