Agon takes pride in recruiting and rewarding our staff.

At the outset we established strong technical leads for each service area we work in. Our structure is based on highly experienced Principal staff supported by Senior and Project level personnel.

Every project is managed by our Principals.

John Todd


John is the co-founder of Agon Environmental and has 40 years’ experience in risk management. John had nearly 30 years in senior management roles in a number of leading Australian manufacturing companies including Production Manager at Vulcan Industries, General Manager at Caroma Industries, Managing Director at ATCO Australia and Managing Director at Disposable Products.

John is a qualified production engineer and has been pivotal in implementing many innovative and practical improvements in the workplace which have achieved national recognition.

John Iddles

Chief Executive Officer

John, the other co-founder of Agon, is a Principal Environmental Scientist with 25 years’ experience in environmental consultancy (in both Australia and United Kingdom) and a focus on contaminated land and wastes management. He has significant experience in the technical direction for a range of contaminated land, environmental assessment and management projects, as well as strong knowledge of others areas including health and safety, asbestos management and occupational hygiene.

John has significant major project experience and has been involved in the remediation master planning for several significant projects across Australia.

Jonathan Todd

Chief Operating Officer

Jon is a business manager with over 20 years’ experience in the successful management of professional consultancies and main contractors across Australia, South East Asia, and the Middle East. His experience extends to Oil and Gas, Commercial Building, Civil Engineering and Resource sector projects.

Jon has qualifications in civil engineering and law and is focused on ensuring Agon is both achieving its best across all aspects of the business and being recognised as a preferred employer of talented and skilled people. He has particular interest and skills in the general management, commercial/ financial management and project delivery aspects of the business.

Darren Edwards

Manager, VIC

Darren has over 25 years industry experience and has significant experience in managing major projects.  He also has extensive experience in groundwater remediation especially at service station sites.

Chris Gamble

Manager, NT

Chris joined Agon Environmental in February 2020 and has over 14 years’ experience in the environmental science, marine science and water service industries. Chris has extensive experience in contaminated land investigations, remediation, environmental management services, compliance and impact monitoring, environment licensing and approvals. Chris has been appointed as the lead consultant and project manager for large environmental site assessments for urban residential and commercial development in SA, QLD and NT, including due diligence assessment, Preliminary and Detailed Site Investigations through to contaminated soil and groundwater remediation. Chris has delivered a wealth of projects completed for NT Government, Defence, National Parks, and local contractors, and was also the appointed Project Coordinator for the Ichthys On-shore LNG Project, Darwin NT – Environmental Impact Monitoring Program (EIMP) from 2015 to 2019.

John O’Brien

Manager, ACT

John has 10 years’ industry experience in environmental consulting specialising in project management, contaminated site assessments, groundwater monitoring, remediation and validation.

John has project managed and delivered projects of varying size and complexity within the ACT, NSW, VIC and SA. This experience includes the provision of preliminary/detailed site investigations, groundwater well installation and monitoring, remediation and validation.

David Probert

Manager, SA

David is a Principal Environmental Scientist with 20 years’ experience in environmental management, with a focus on contaminated land and environmental impact assessment. David has previously worked for Government, large corporations and engineering firms and consequently has an understanding of all sides of the consulting equation. His experience includes residential, industrial and commercial use developments, landfill management and environmental assessment for major infrastructure projects.

David’s technical roles have included project planning, investigation and remediation and reporting, and he also has strong skills in project management, procurement, contract management and client liaison.



Address: Unit 3, 224 Glen Osmond Road, Fullarton, SA 5063
Ph: (61 8) 8338 1009

Address: 1/41 Jessop Crescent, Berrimah NT 0828, PO Box 38845, Winnellie NT 0820
Ph: 08 7918 7807

Ph: 02 5104 2177

Address: D1.1, 63-85 Turner Street, Port Melbourne VIC  3207
Ph: 03 8566 1567