Our Team

Advisory board


Matthew Ng

Chief Investment Officer | Board Advisor

Matthew has worked internationally as an investment banker since 1995 and as a CEO of a London listed company, which he founded in China in 2000.

Matthew commenced his career as a corporate finance executive in Sydney in 1995, and worked in Australia, Malaysia, Hong Kong, China and New Zealand for five years providing capital markets, mergers and acquisitions and corporate finance advice to companies across a range of industries including banking, food, property, technology, infrastructure and mining sectors.

Returning to China in 2000, Matthew founded and ran as CEO of an online travel company, ET-China.com international Holdings Limited, which he has developed it into an international travel business from conception, financing, operation, merger and acquisition, listing and eventual an agreed trade sale in 2010, and the group became the second largest tour operator company in China.

Matthew holds a Bachelor of Science in mathematics and physics, a Master of Science in physics from Auckland University and an MBA from the AGSM of the University of New South Wales, Australia.


Bas Jammal

Board Advisor

Bas has over 28 years of investment banking and wealth management experience. He is the co-founder and Principal Adviser of Convergence Wealth, an advisory firm providing clients with flexible, engaging, and proactive financial and business advice for nearly a decade.

Prior to establishing Convergence Wealth, Bas held senior Executive Management positions spanning over 16 years at the Australian arm of global Investment Banks, including National Westminster Bank plc, Salomon Brothers, Smith Barney, and Citigroup. He was also a member of a variety of bank committees including Risk Management, Credit & Counterparty Management, new Product Development, and Strategy & Sales.

During his investment banking career, Bas was responsible for the credit & risk management of multi-billion-dollar equity & capital markets transactions, worked on over $1.5 billion debt origination mandates, steered a team of over 150 investment advisers & stockbrokers nationwide, and originated & lead a leveraged equity division with over $2 billion of funds under management.

After leaving Citigroup in 2004, Bas served as the Managing Director of a boutique financial services company for over 5 years, which placed top 50 in the prestigious AFR FAST Starters in 2006.  At Convergence Wealth, Bas is a strategic financial adviser to key clients in a variety of industries.

Bas joined the advisory board of Infinite Water in August 2017 to provide corporate advisory, strategy and human resource services to the Company.


Wes Walczuk

Chief Operations Manager | Board Advisor

Wes has over 20 years of experience in industrial services, construction and wastewater management industries.

He was the Managing Director of Steamit Group and Executive Director of the publicly listed Transpacific Industries.  Wes manages Infinite Water’s operation in both Australia and China, and provides critical insight into manufacturing, quality control, logistics and commissioning of water treatment solutions for customers.

Wes was instrumental in leading an operation and engineering team to design and construct a large-scale water treatment plant manufacturing facility and production line in Ningbo, China.

Board of Directors


Hon. Jim Elder

Non-Executive Chairman | Board Director

Jim has an extensive and distinguished career in public services before he retired and became a professional director in a number of companies in the private sector.

Jim is the former Deputy Premier of Queensland and Minister for State Development and Trade.  His 12-year parliamentary services saw him serving across portfolios such as Minister for Transport, Minster assisting Premier on Economic and Trade Development, Minister for health, Minister for Business, Industry and Regional Development.  Jim was Deputy Lead of the Opposition, Shadow Minister for Business, Industry and Transport, Shadow Minister for Transport, Youth, Sport and Recreation.

Jim has developed sepcialised skills in business development and government interaction with the private sector.  He sits on a number boards as Chairman or director, including Whitsunday Market and Development Corporation, Australian Petroleum International Exploration and Marketing and Development Corporation, Australian Petroleum International Exploration and Development Limited, British Borneo Petroleum Australia Limited and Careflight Medical Service Australia.


Agatha Walczuk

Managing Director | Board Director

Agatha has over 15 years of experience as a business developer, independent company director and entrepreneur.   After completing a PhD in organizational Psychology, Agatha went on to start a number of profitable private construction, property development and consultancy companies in Brisbane and Byron Bay, Australia.

Agatha has developed specialized skills in business development and leadership, which have led to a track record of leading companies to high growth and performance.  Agatha took over the role of CEO of the Company in 2015, managing the overall performance of the Company in both commercial and technical development, as well as relationship with key stakeholders.

Agatha holds a BSc. In Psychology (Hons), a PhD in Organisational Psychology from the University of Queensland, Australia.


Gheorghe Duta

Executive Director | Board Director

Gheorghe has worked as a scientist and engineer in fluid engineering, manufacturing engineering, process engineering (water), plant and equipment design and new technology and application development for over 35 years.

Gheorghe has been engaged as an advisor on water treatment solutions by various reputable organisations and government agencies including CSIRO, Water Corporation of Western Australia, WA Department of Water and Energy Resources Australia Limited.

For the last 12 years, Gheorghe has lead a team of researchers and engineers to refine Catalytic Advanced Oxidation process in water treatment system design and engineering, which results in unprecedented leaps in cost efficiency, robustness and extraordinary effectiveness.   Gheorghe pioneers the patented HYDROXON process, and continues to devote his passion and energy at the forefront of water treatment technology and sustainable solutions.

David Wong-Tung

David Wong Tung

Executive Director | Board Director

David has 32 years of experience as a lawyer, independent company director, business developer and entrepreneur.

David has developed a special expertise in cultivating industrial and government resources in New Zealand and the South Pacific.  He has been active in a number of ventures including a large-scale property development project in downtown Auckland, SOE purchase from Samoan Government, finance and foreign exchange business, export of primary produce and wine, gold mining, extractive minerals and landfill investments.

David is a Honourary Special Projects Advisor to the Prime Minister of Samoa, and a founding member and Commissioner of the New Zealand and Samoa Trade and Investment Commission.   David currently manages the Company’s sales and marketing, and business development in New Zealand and the South Pacific.

David holds both a Bachelor of Laws and an Executive MBA from the Auckland University, New Zealand.  David holds professional membership in Auckland District Law Society, New Zealand Law Society, Institute of Directors (MinstD) NZ, and is admitted as Solicitor of the High Court of New Zealand and the Supreme Court of Samoa.

Infinite Water’s water treatment technology is at the forefront of a low cost, high capability, clean water revolution.

More About Us

Executive Management Team

David M

David Marquard

Director Strategy & Special Projects

David is a business strategy and transformation professional. His career has incorporated management consulting, strategy development and implementation initiatives and a deep focus on business development and growth and client account management.

David has worked with companies and government organisations across a wide range of industries including healthcare, consumer products, technology services, transport and industrial gases. His work has taken him to Australia, New Zealand, Indonesia, Japan, Korea, Singapore, Switzerland, Hungary, Ukraine, U.K. and the USA.

Working with complex and global organisations, his work has included development of growth strategies; design and implementation of new operating models; development of global strategy for a technology company; due diligence and business case for target acquisitions; global IT strategy for a consumer beverages company;  performance improvement initiatives (eg response to the global financial crisis, pricing, revenue forecasting); business case for co-locating private and public health facilities; design and implementation of back office shared services; driving growth of key accounts and winning complex bids.

David holds a BSc (Computer Science) and an MBA from the AGSM, University of New South Wales, Australia.


Steve Petoumenos

Director Sales & Marketing

Steve is an industrial chemist and has worked in the water industry with a career spaning 29 years. Steve’s professional roles are based on sales leadership, business development and technical sales management within the water and wastewater sectors.

Prior to joining Infinite Water Steve held various leadership and technical roles in local and global water treatment organisations.  Steve’s areas of expertise include new product implementation and process re-design and development, corporate account strategy and governance.  His hands on experience ranging from the commissioning and operation of water and wastewater treatment plants through to optimisation of and problem solving complex primary, secondary and tertiary treatment plants.


Joshua Pinto

Regional Business Development Manager (APAC)

Joshua is a technical sales professional and marketeer with engineering experience in water treatment, process instrumentation and automation.

After founding a company in India that pioneered the use of Cryogenic technology for maintenance in the electrical industry, Joshua moved to Australia and worked as a Product Design Engineer, before moving into the space of process control instrumentation and automation, where he worked for world leading manufacturers serving in positions across sales, business development and marketing.

Joshua holds a Bachelors degree of Engineering in Electronics and Telecommunications from the University of Mumbai and a Masters degree of Engineering in Information and Communications technology from the University of Western Australia, specialising in Robotics and Embedded Systems.