Australian CleanTech delivers its services through Deloitte Australia with its national footprint of highly experienced professionals.

John O'Brien Managing Director

John O'Brien, Managing Director
BA(Oxon), MSc, MBA, FAICD, FIEAust

John is Partner in Deloitte Australia's Financial Advisory team. He was the founder and Managing Director of Australian CleanTech and has advised numerous organisations on securing or making cleantech investments. He facilitates the Australian CleanTech Network that provides opportunities for cleantech collaboration and publishes both the Australian Cleantech Index and the Australian Cleantech Review.

John spent nine years working in one of Australia’s leading energy companies. After holding project management and operational roles, John spent six years in development roles working on development, strategy and M&A projects. During this time John gained extensive experience developing, analysing, investing in and securing many Cleantech projects. In addition to this industry experience, John has experience and an extensive network of contacts in investment providers in Australia, the UK and North Asia.

Prior to joining the Australian energy industry, John held teaching, oil and gas and consulting engineering roles in the UK, Canada and the Middle East. John has also lectured in Leadership and Entrepreneurship at the University of Adelaide and is a member of the South Australian Premier’s Climate Change Council. He has sat on the board of cleantech companies involved in wind farm development, biosensors, stormwater harvesting, low emissions vehicles in the Philippines and plastics recycling in China. Previous roles include being on the Board of Renewables SA and as a member of Innovation Australia's Clean Technology Innovation Program Committee.

He has engineering degrees from the University of Oxford and Trinity College, Dublin and an MBA from the University of Adelaide.


Facilitating and Delivering Successful
Clean Technology Investments

Cleantech incorporates the industries
of the future

Connecting People, Finance
and Technology throughout Asia

Cleantech drives jobs,
investment and trade



  • John O'Brien
  • Managing Director
  • Australian CleanTech
  • 8 Arunga Close
  • Goodwood SA 5034
  • ABN: 66 124 840 491
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