Our People
James Mackenzie
Managing Director and Senior Principal
James is a Chartered Civil Engineer and Fellow of Engineers Australia with more than twenty years’ experience providing engineering design services for the containment of solid and liquid wastes across Australia. James’ experience covers engineering design services across landfill site and extractive industry sites as well as site management, landfill treatment operation and expert witness services.
Specialisations:
Expert Witness Testimony
Engineering Design – Geosynthetic Lined Containment Systems
Engineering Design – Earthworks and Rehabilitation
Regulatory Licence Compliance
Expert Witness Testimony
Tyson Clingan
Technical Director and Principal
Tyson is a Chartered Engineer (civil and environmental) with fifteen years’ experience providing consulting services to the waste management and landfill industries across Australia. Tyson is the Technical Director of Mackenzie Environmental where he is responsible for providing technical leadership and development.
Specialisations:
Landfill Design
Landfill Environmental Management
Landfill Construction Quality Assurance
Landfill Gas Management
Leachate Treatment
Expert Witness Testimony
Hydrogeology
EPA Licence Compliance
Environmental Assessments
Patrick Forsyth
Group Manager and Associate Engineer
Patrick is a Chartered Engineer (civil) with over eight years’ experience providing consulting services to the landfill industry across Victoria and interstate. Patrick’s areas of specialisation include landfill design, construction quality assurance, geotechnical site investigation, and preparation of landfill environmental management plans.
Specialisations:
Landfill Design
Construction Quality Assurance (CQA) services
Site Investigation
Landfill Site Investigation
Environmental Monitoring Programs
Project and Contract Management
Landfill Development Planning
Construction Cost Estimation
Steve Lound
Project Engineer
Steve is a Civil Engineer with over eight years of industry experience, and four years’ experience consulting to the landfill industry as a member of the Mackenzie Environmental team. Steve has been involved in a wide range of projects from on-site construction quality assurance supervision to the preparation of complex designs for landfill cells and caps.
Specialisations:
Construction Quality Assurance (CQA) Services
Geotechnical Testing and Inspection Authority (GITA) Supervision
Environmental Monitoring and Sampling
Geotechnical Site Investigation
Landfill Design
Simon Eicher
Project Engineer
Simon is a Civil Engineer with more than five years of experience providing consulting services to the landfill industry across Victoria as part of the Mackenzie Environmental team. Simon’s areas of specialisation include landfill design, construction quality assurance services, environmental monitoring and assisting clients with all manner of EPA approvals and EPA licence compliance issues.
Specialisations:
Landfill Design
Construction Quality Assurance (CQA) services
Environmental Monitoring
EPA Licence Compliance
Project Management
Jin Li
Senior Drafting Modeller
Jin is responsible for preparation of all figures and drawings prepared by Mackenzie Environmental.
Jin has over 30 years experience as a draftsperson and 3D modeler and is able to assist our clients with volume modelling, cut and fill balances, and assessment of as built survey information using the Civil 3D modelling package.
Liz Carey
Associate Environmental Scientist
Liz is an experience contaminated land industry professional with more than 17 years post graduate experience with a recent focus on consulting almost exclusively to landfill owner and operators over the past four years.
Specialisations:
Environmental regulatory and compliance knowledge
Environmental Management and Improvement Plans
Environmental Risk Assessment
Groundwater and Landfill Gas Monitoring and assessment
Licence Compliance