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Ms. Charlotte Wolff-Bye

Charlotte Wolff-Bye, an award-winning business leader, at the forefront of the sustainability movement. She serves as the Chief Sustainability Officer of the Malaysian Fortune 500 company PETRONAS. Since joining in 2021, she has turned the company’s Net Zero Carbon Emission aspiration into strategy and plans to drive decarbonization and social progress. She engages directly in venture capital investment, digitalization and capability development to accelerate a sustainable energy transition.

Previously Charlotte worked for the Norwegian energy company Equinor in the role of Vice President Sustainability. At Equinor she delivered the company’s first sustainability strategy that laid the foundation for the company’s low carbon focus. She was also the company’s representative on the Oil and Gas Climate Initiative (OGCI), the World Bank’s Global Gas Flaring Reduction Initiative (GGFR) and the World Business Council for Sustainable Development (WBCSD). From 2007-14, Charlotte held the position of General Manager Corporate Responsibility for the global steel and mining company ArcelorMittal.

Charlotte’s earlier experiences include a decade in the telecommunications sector, most notably working for Telefonica and O2, multilateral lending at the Nordic Development Fund, music marketing and diplomatic affairs.

Charlotte is a longstanding and active champion of corporate sustainability practices, a frequent top-level speaker, commentator and writer on sustainability, ESG and energy-related matters.

She has proactively been shaping the agenda and engaged in the launch of several collaborative partnerships including the Oil and Gas Climate Initiative, Climate and Clean Air Coalition Oil and Gas Methane Partnership, the Nordic CEOs for a Sustainable Future and the Global E-sustainability Initiative.

She is the recipient of Devex’s leadership award for her contribution to international development and was recently ranked as one of the world’s top 100 chief sustainability officers. She serves on the board of trustees of WCMC, Cambridge, United Kingdom.

Christine Loh


Dr Christine Loh is the chief development strategist at Institute for the Environment, Hong Kong University of Science and Technology. A lawyer by training and commodities trader by profession, Dr Loh has spent the bulk of her career in public policy and politics, first serving as a legislator, and then government minister in the Environment Bureau in Hong Kong. She was the CEO of a policy think tank and is a published author of many academic and popular works. She is a director of for-profit and non-profit organizations, and she also advises multinational companies.

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Johnny Wei


Johnny Wei is the Head of Wholesale Banking for OCBC Hong Kong, overseeing the Bank’s corporate and commercial banking as well as financial institutions business franchise.

In 2016, Johnny joined OCBC Bank as Head of Corporate Banking. Following the management integration of OCBC Hong Kong Branch and OCBC Wing Hang Bank in 2021, Johnny was appointed as Head of Wholesale Banking for OCBC Hong Kong; and has further expanded his role as General Manager of OCBC Hong Kong Branch and Alternate Chief Executive Officer of OCBC Hong Kong in 2023.

A seasoned banker with over 30 years of experience in the financial industry, Johnny’s career includes a spell of over 20 years with Standard Chartered Bank; holding various senior positions including Managing Director & Head of Commercial Clients.

Johnny holds an MBA degree from Monash University, Australia, and a Bachelor of Social Science degree (majored in Economics) from University of Hong Kong and is a CPA Australia.

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Ross Milne


ROSS MILNE is Chief Executive Officer at 10 Design, a dynamic architecture and master planning practice with over 400 architects and designers operating across 9 studios worldwide.

As an architect, Ross has a diverse international portfolio spanning over 36 years on projects across Asia and the Middle East. He has a deep understanding of what it takes to deliver a quality project and strides to encourage innovative solutions to challenges posed by tight programmes and budgetary constraints using the latest available construction technology.

Ross' role as CEO at 10 Design is to oversee the growth strategy globally whilst maintaining the highest design standards. This includes looking at new markets and sectors and tackling complex projects with commercially viable and creative solutions for our clients. His extensive experience and innovative leadership are driving 10 Design’s brand to new heights competing with the best in class.

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Conrad Wong


Ir Dr Conrad Wong is a professional engineer who has over 30 years of building construction experience. He is the Vice Chairman of Yau Lee Holdings Limited, Managing Director of Yau Lee Construction and REC Engineering Co Ltd. He has a keen interest in green building technologies, Building Information Modeling (BIM), modular and precast construction, and manufacturing automation.

Since 2017, Ir Dr Wong has been putting a great deal of effort in developing various robotic and Artificial Intelligence (AI) applications for the construction industry. He recevied his Doctor of Philosophy Degree at City University of Hong Kong, specializing in adopting AI to optimize energy consumption for large scale central air conditioning system.

Ir Dr Wong is very active in public and community services. Currently, he is appointed as the Chairman of the Council of the Hong Kong Metropolitan University, the Chairman of the New Energy Transport Fund Steering Committee, the Member of the Energy Advisory Committee and the Member of the Town Planning Board. In the past, Ir Dr Wong served as the Deputy Chairman of Vocational Training Council, the Chairman of the Occupational Safety and Health Council, the Chairman of the Hong Kong Green Building Council, the President of the Hong Kong Construction Association, the President of the International Federation of Asian and Western Pacific Contractors’ Associations, the Chairman of Pneumoconiosis Compensation Fund Board, the Member of Construction Industry Council, the Member of the Antiquities Advisory Board, the Member of the Advisory Council on the Environment, and the Director of the World Green Building Council.

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CK Lau


Mr LAU Chun-kong is the Managing Director of Colliers Hong Kong and Managing Director of Asia Valuation and Advisory Services, responsible for promoting the growth of Colliers’ business in Hong Kong and heading the Asia Valuation and Advisory Services business. He has over 30 years’ property experience in valuation, real estate consultancy and investment sales market in Asia including Hong Kong and PRC.

Mr Lau is a Past President and Fellow member of the Hong Kong Institute of Surveyors. He is a member of the Hong Kong Housing Authority and its Tender Committee, the Lantau Development Advisory Committee, and the Expert Advisory Panel for Study on the Artificial Islands in the Central Waters. He also serves as an advisor to the Our Hong Kong Foundation and a member of the Tangible Assets Standards Board of the International Valuation Standards Council.

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