
Let’s create a sustainable future together
We have the right values, attitude, experience and mindset to ensure we achieve the positive environmental, social and financial outcomes required for each project.
Our Team
Team Leader | Divan Van Der Merwe
MSc. Environmental Management (UFS) / LaRSSA
Divan is the founder and director of EXM. He focuses his time on improving existing products and developing new ones to make sure in a changing world our clients have solutions that fit them and support their operations.
Divisional Manager | Trevor Hallatt
Environmental services
Having completed his M.A. as a professional natural scientist, Trevor is a motivated scientist who prioritizes ethical values. He believes in efficient work without compromising quality and inspires teams to achieve a sense of accomplishment while continuously improving services. With a passion for the outdoors and quality time with family and friends, Trevor is a dedicated problem solver who consistently exceeds the expectations of EXM's diverse client base.
Divisional Manager | Renier Ellis
Mine Closure, Rehabilitation and Land Management
With 10 years of experience in environmental management, particularly in the mining sector, Renier has successfully overseen numerous projects from planning and inception through operations and physical rehabilitation. He brings a keen eye for detail, innovative solutions, and a strong commitment to sustainability. Renier’s expertise includes mine closure planning, cost estimates, financial provision and liability assessments, environmental risk assessments related to mine closure and rehabilitation, end land use planning, and asset transitioning.
PROFESSIONAL ASSOCIATIONS






Get in touch with our team to further explore our solutions.
We are dedicated to fostering meaningful partnerships and advocating for positive outcomes for all community stakeholders and rightsholders. Our client base is diverse from individuals looking to commence a project to multinational companies. This gives our team great flexibility in understanding the structure of the solution while being sensitive to cost.