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David WilliamsChairman

David holds degrees in Jurisprudence, Law and Arts and practiced corporate and commercial Law as a Partner in Western Australian Law Firms until 2002. Since 2002 David has focused on business where he holds executive and non-executive roles in a number of business interests. David is currently Chairman of Omega Walnuts (since 2006), WA’s largest commercial walnut plantation as well as his role as Chairman of Environmental Technologies Group.

Over recent years David has been on the Board or Chairman of a number of businesses, sporting organisations and charities. David is a former Chairman of the WACA and Director of Cricket Australia.

David CampbellManaging Director

David has spent the majority of the last 25 years owning and managing start-up businesses servicing the commercial and industrial sectors. Gaining a large part of his experience working for the Spotless Group for 13 years in both the Hospitality and Textile Rental markets David then moved on to starting his own textile rental company in 1995, this was eventually sold to ISS where David became the Australian Operations Manager. Leaving ISS in late 2003 David worked as an operational consultant for a multi-national service company based in Singapore.

Moving back to Australia in 2004 David started CWS Australia as the managing partner and sold the business to Rentokil Initial in late 2006. David joined ETG in early 2007 and has been the CEO through a transitional period that saw the business focus on the development and manufacturer of environmentally friendly solutions and has overseen the expansion of the business into 14 countries with offices in Singapore and Malaysia. David was appointed CEO in 2008 and promoted to the Board in 2010.

Brendan SulwayNon-Executive Director

Brendan is a Partner at Bridgeport Capital. At Bridgeport Brendan is responsible for deal origination, transaction execution, managing and monitoring the investment portfolio and managing the exit of investments.

Prior to joining Bridgeport, formerly Hawkesbridge Capital, Brendan was an Executive with PricewaterhouseCoopers where he spent a number of years in both the Corporate Restructuring team and the Project Finance team. During his time with PricewaterhouseCoopers he was involved in a number of prominent Public Private Partnership (PPP) projects, M&A transactions, due diligence assignments and business reviews.

Brendan holds a Bachelor of Business majoring in both Accounting and Economics from the University of Technology Sydney (UTS), is a Senior Associate member of the Financial Services Institute of Australia (FINSIA) and is a Graduate Member of the Australian Institute of Company Directors.

Brendan is also currently a Director of BHA Holdings Pty Ltd and Bylaser Group Pty Ltd.

Michael FouldsNon-Executive Director

Michael holds a Bachelor of Engineering in Mining Engineering, First Class Mine Managers Certificates in both Western Australia and the Republic of Fiji and is a Member of the Australian Institute of Company Directors.

Michael worked as a Mining Engineer and Mine Manager at various operations between 1985 and 1995 following which Michael became both a major shareholder and Company Director in a number of private enterprises.

Environmental Technologies Group

16 Mallett Road
Tullamarine, Vic
1800 000 245

  • Email:
  • Phone: 1800 000 245
  • International: (+61) 3 8336 8500
  • Fax: (+61) 3 8336 8599


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