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Andrew Nunn

Executive Director at JBS&G

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Andrew Nunn

About Andrew Nunn

Andrew Nunn is an executive director and accredited site auditor at JBS&G, the Australian environmental consultancy he co-founded. JBS&G advises on contaminated land, including soil and groundwater assessment and remediation, and employs more than 300 people across Australia. In January 2026 it agreed to be acquired by US-based Geosyntec Consultants and now trades as JBS&G, A Geosyntec Company.

He was previously chairman of JBS&G and served as South Australia's Chief Entrepreneur, advising the state government and business community on entrepreneurship.

In Day One's History of the Australian Startup Ecosystem interview series, he argued that Australian states should cooperate rather than compete and called for more patient risk capital for startups.

Talks about
Startup Lessons

In conversation.

2 episodes

Start hereAndrew Nunn believes Australian states and territories should work cooperatively rather than competitivelyHis full interview on building JBS&G and on states cooperating rather than competing.

Documentary: The History Of The Australian Startup Ecosystem

The History Of The Australian Startup Ecosystem - Part 6

Recorded as South Australian Chief Entrepreneur, Government of South Australia

With Leslie Delaforce, Darryl Lyons, Megan Sebben, Wayne Gerard, Nicole O'Brien, Alex Carpenter, Evan Thornley, Baden U'Ren, Tim Fung, Trevor Folsom, Peter Davison, Craig Swann, Moira Were, Colette Grgic, Allan O'Connor, Rachael Neumann, Chad Renando, Annie Parker, Brendan Hill, Aaron Birkby, Malcolm Turnbull, Jodie Fox, Susan Oliver, Silvia Pfeiffer, Yolanda Redrup, Melissa Widner, Alfred Lo, Sarah Pearson, Phil Hayes-St Clair, Colin Kinner, Lauren Capelin, Matt Barrie, Kate Cornick, Cheryl Mack, Andrea Gardiner, Niki Scevak

Go straight to the good bits.

Key moments from Andrew Nunn believes Australian states and territories should work cooperatively rather than competitively.

  1. 0:35Meet Andrew Nunn
  2. 1:09Andrew's Early Involvement in Startups
  3. 1:59Starting His Engineering Company
  4. 3:21The Early 2000s Startup Ecosystem in Adelaide
  5. 4:26Challenges Faced as a New Entrepreneur
  6. 5:18Funding and Bootstrapping His Startup
  7. 7:13Turning Points in the Adelaide Startup Ecosystem
  8. 9:11Growth of Innovation Hubs in Adelaide
  9. 10:00Current Energy and Optimism in the Ecosystem
  10. 11:03Mapping the Startup Ecosystem

In their own words.

“It's like telling a painter not to paint. They just have to. People who are entrepreneurial have to do the same thing.”
Andrew Nunn — Andrew Nunn believes Australian states and territories should work cooperatively rather than competitivelyThe History of the Australian Startup Ecosystem - Interview Series · 2 August 2022

JBS&G on Day One

JBS&G is an Australian environmental consultancy that specialises in contaminated land.

1 person · 2 episodes
JBS&G

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Spot something wrong? Suggest a correctionUpdated 29 October 2026

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