
OUR TEAM
Backed by a management team with a distinguished record of customer focus, our people are encouraged to work independently and creatively, alongside their clients, to craft the best solutions to their environmental needs.
Meet the Team

Director
Principal Hydrogeologist
Lee Douglass
EIANZ Certified Environmental Practitioner - Site Contamination Specialist (SC40974).
Lee has over 20 years experience and expert hydrogeologist, having worked on numerous bore water supply projects, dewatering and groundwater impact assessments for a diverse range of industry sectors. With a strong understanding of complex groundwater, contamination issues and remediation technologies, Lee has successfully delivered contamination assessment/remediation of large site portfolios and has acted as Expert Witness of landmark court cases in QLD, NSW and VIC.

Director
Principal Hydrogeologist
David Jackson
EIANZ Certified Environmental Practitioner - Site Contamination Specialist (SC40989)
David is a strong believer in collaboration, with over 20 years experience as a hydrogeologist and contaminated site expert.
Through implementing this principal, David has formed and continues to create strong relationships with local and global technology providers to ensure our clients receive pragmatic and fit for purpose solutions.

Director
Principal Environmental Scientist
Dean Stafford
Dean has over 20 years experience and has extensive experience working on contaminated site investigations as well as the design, installation, maintenance and monitoring of remediation systems.
Dean strives to provide long-lasting benefits by successfully and cost effectively remediating complex contaminated soil, groundwater and soil vapour at a wide range of industrial, commercial and residential sites involving solvents, hydrocarbons, heavy metals, asbestos and PFAS.
Meet the Team

Partner
Principal Environmental Scientist
Greg Bartlett
EIANZ Certified Environmental Site Practitioner (No. 1605).
Greg has over 20 years experience within the fields contaminated land, waste and civil environmental remediation. Greg has been involved in projects of varying complexity including landfills, State Significant Development (Rail), Threatened Species Conservation (Wetland Rehabilitation), Offshore Remediation Works (West Atlas Oil Rig) and Emerging Contaminants such as PFAS (Qantas and waste management facilities).

Operations Manager
Principal Environmental Engineer
Toby Scrivener
EIANZ Certified Environmental Practitioner - Site Contamination Specialist (SC41141).
Toby is a Principal Environmental Engineer with over 20 years’ experience in contaminated site investigation, remediation and auditing. Toby has designed and implemented contaminated site investigations and remedial programs for large scale oil and gas sites, state and local government, industry, landfill and development sites. Toby has been expert support team and audit assistant on contaminated land audits in WA, NSW, ACT, QLD.

Principal Environmental Engineer
Ashley Barber
EIANZ Certified Environmental Practitioner - Site Contamination Specialist (SC41202)
Ashley has over 15 years’ experience consulting to real estate investment funds, financial institutions, property developers, civil contractors and government departments throughout Australia.
His capabilities in environmental property due diligence, site assessment, construction environmental management, remediation expenditure forecasting and waste optimisation frequently recognise tangible benefits to the client through risk management, controlling costs and facilitating regulatory approvals.
Meet the Team

Associate Environmental Scientist
Natasha Pasley
Natasha is a Associate Environmental Scientist with 10 years’ experience in both the contaminated land industry and mining industry.
Whilst working in contaminated land consulting, Natasha has been routinely involved in a variety of projects associated with environmental investigations, assessment of contaminated sites, hydrogeological assessments and contaminated site remediation including the preparation of Remedial Action Plans, Environmental Management Plans and Validation Reporting. Natasha has a particular interest in hydrogeology.

Associate Environmental Scientist
Mathew Burcher
EIANZ Certified Environmental Practitioner (General Practice).
Mathew has over 10 years’ experience in contaminated site investigation, remediation and auditing. His works have routinely involved the development, implementation and management of preliminary and detailed site investigations, auditing of large scale and complex construction projects for environmental/safety compliance, remediation and validation of contaminated sites across regional and metropolitan NSW.

Senior Hydrogeologist
Sebastien McCulloch
Sebastien is a hydrogeologist with over eight years’ experience. He began developing his knowledge of key hydrogeological processes within the contaminant groundwater space, which has since developed into large scale town water supply assessments and numerical groundwater modelling. Sebastien possesses a strong and committed work ethic. He has excellent interpersonal skills and can effectively problem solve and make critical decisions. This has seen him excel and diversify into a range of different projects for a large variety of clientele.
Meet the Team

Senior Hydrogeologist
Harry Gregg
Harry is a Senior Hydrogeologist with over 8 years of experience working alongside clients on a wide variety of developments in Australia. With a background in environmental engineering, his experience is broad and includes expertise in preliminary and detailed hydrogeological investigations, analytical & numerical groundwater modelling, contaminated land management and groundwater remediation.
In recent years, Harry has planned and executed a number of dewatering assessments on several infrastructure and building projects across Australia. This includes the development of numerical and analytical groundwater models, successfully distilling large volumes of complex field data into concise and meaningful conclusions to support decision making and design development.

Senior Hydrogeologist
Robert Cameron
Rob has over 8 years experience consulting in the hydrogeological, contaminated land and land development sector. He has a strong practical background, having conducted and managed numerous hydrogeological and environmental site investigations, including preliminary and detailed site investigations, waste disposal categorisation, and remediation and validation works.
Robert has completed several town water supply assessments and has been recently on secondment with NSW DCCEEW working on groundwater trade assessments and dewatering approvals.
He has worked on projects pertaining to soil, groundwater, soil vapour, and ambient/indoor air contamination issues and enjoys working collaboratively at all project levels to provide sound environmental outcomes.

Senior Hydrogeologist
Renee Ashton
Renee is an hydrogeologist with over 5 years’ experience consulting in the groundwater and contaminated land industry. She has experience in contaminated site investigation, remediation and has been Auditor Assistant to a NSW EPA Accredited Site Auditor for over 4.5 years. She has undertaken and managed numerous environmental site assessments and investigations; including preliminary and detailed site investigations, waste classification, remediation and validation works, preparation of environmental management plans, dewatering management plans, and site audit reports and statements.
Renee has completed several town water supply assessments and has been recently on secondment with NSW DCCEEW working on groundwater trade assessments and dewatering approvals.
Meet the Team

Senior Environmental Scientist
Jack Palma
Jack has over 8 years’ experience in both industry and state based environmental site assessments and remediation projects in both NSW and ACT.
His field experience has provided him with a broad understanding of various soil and groundwater applications and the associated field procedures.
Jack specialises in historical studies, desktop surveys, sample design, soil and groundwater sampling, data interpretation and reporting.

Senior Environmental Scientist
Brooke Kelly
Brooke is a dedicated environmental scientist who consistently achieves high-quality deliverables and client success. She has successfully delivered various environmental assessment projects across Australia to clients of the energy, transport, aviation and civil construction industries.
Brooke has over 5 years experience in the contamination industry, working as a project manager, field scientist and writer and reviewer of technical reports and internal corporate policies.

Hydrogeologist
Tanner Graham
Tanner is an Environmental Scientist with over 6 years of experience working alongside clients on a wide variety of developments in Australia. With a background in environmental management, waste and environmental investigations, his experience is broad and includes expertise in preliminary and detailed investigations, hydrogeological assessments, groundwater modelling, contaminated land management and groundwater remediation.
Meet the Team

Environmental Scientist
Kyle Sier
Kyle has over 4 years experience in the contaminated land industry and has been involved in both field and desktop works.
Key projects to date have included the assessment of legacy landfill, monitoring and remediation of galvanising plants nationally and PFAS investigation of Rural Fire Service sites.
Kyle has particular interest in Detailed Site Investigations and Remedial Action Plans, with specific focus on geospatial and volumetric waste assessment providing cost estimate to commercial clients.

Environmental Scientist
Tiarni Wiersma
Since Tiarni’s commencement at Reditus 3 years ago, she has enthusiastically been involved in numerous environmental investigations including field and desktop works. Her passionate approach to field work ensures the collection of data is undertaken with correct sampling techniques while also committing to safe practices. Tiarni has assisted with projects including but not limited to groundwater monitoring, soil sampling and soil vapour monitoring. Additionally, she has partaken in the reporting phase of investigations, using data analysis skills incorporating GIS.

Hydrogeologist
Thomas Lancaster
Thomas graduated from UNSW as a Civil and Environmental Engineer in 2021. To date, he has gained experience in a variety of different industries, specialising in groundwater investigation and contaminated land management.
Throughout his 4 years of consulting experience and career, he has repeatedly demonstrated his ability as a fast learner and effective communicator, with keen attention to detail in all his work. Thomas has recent completed several numerical groundwater models for town water supplies.
Meet the Team

Environmental Scientist
Mia Schaeper
Commencing her career with Reditus consulting over 3 years ago, Mia has gained experience in environmental investigations, contamination assessment, waste classifications and management plans across a range of mediums including soil, surface water, groundwater and soil gas.
Through practice in both field and desktop works, Mia has gained a rounded understanding of the scope of projects with a proficient grasp of contaminant issues and the effects they have on both the public health and ecological receptors.

Graduate Environmental Scientist
Aaron Cummins
Aaron has gained extensive hands-on experience in both the construction and Warehousing industry. Since joining Reditus 2 years ago, Aaron has been involved in a wide range of contamination assessments and environmental assessments across several mediums including such things as soil, ground and surface water.
Throughout his time a Reditus Aaron has gained extensive experiences in both reporting and field work. This has furthered his ability to deliver a high standard of work for both the clients and himself.

Graduate Environmental Scientist
Evan Jacobson
Since joining Reditus 2 years ago, Evan has been involved in a wide range of jobs including background contamination assessments, waste classification and environmental monitoring schemes, and has experience sampling across mediums such as soil, surface water and groundwater.
In addition to field based work, Evan has also contributed to the reporting phase of environmental investigations through conducting desktop searches and generating tables and figures utilising GIS software.
Meet the Team

Graduate Environmental Scientist
Evie Parker Kielniacz
Graduate of Macquarie University with a Bachelor of Science in Climate Science, minoring in Environmental Earth Science. Evie has gained a
diverse environmental skillset throughout her time at Reditus, formal studies, internships and work experience. Evie is committed to developing high quality, detail oriented solutions to environmental problems, utilising my skills in a range of field techniques and data analysis.
Work completed with the Climate Change Research Centre provided her with skills in Ferret and Python, and strengthened my report writing, independent problem solving, and literature reviews.

Commercial Manager
Denis Dean
Denis has over 40 years experience in commercial management and accounting. Working in high level managerial roles with various large top-tier commercial business in Australia, such as Qantas, as well as running his own small businesses, Denis has a strong understanding of all commercial aspects regarding environmental and groundwater sectors.
Denis has worked with Reditus since our foundation in 2019 as commercial manager and continues to provides specialist advice with day-to-day operations of our successful business.