McDonald is a registered Scientist with SACNASP with 15yrs experience in the Environmental field. His key expertise covers a range of Environmental Management roles, conducting environmental impact assessments, developing environmental management plans: power lines studies, road projects, renewable energy technologies (Lesedi and Letsatsi solar farms and Sere Wind farm), as well as Environmental Control Officer work for various roads, power lines and construction projects. 

Through managing and conducting these projects, McDonald has been extensively exposed to different components of natural ecosystems, how they are affected by human activities and the environmental management principles as well as available technologies to minimise and mitigate these effects.