Guillaume is an active entrepreneur, investor, and catalyst in the world of renewable energy and sustainability. He founded and led Solexium, one of the largest Solar Companies in Eastern Ontario, totaling 3MW across 70 clients. The firm diversified by developing its own assets and providing up to $1M in financing per project. He is an early investor in Canada’s largest kombucha brewery (fermented tea) and was instrumental in the launch of Hilo, the clean-tech spinoff of Canada’s largest utility. He was first exposed to the Rwandan solar market in 2020 while doing a market study for East African Power. He has advised a clean-tech fund, and firms in e-mobility, and renewable energy. Guillaume holds a B.eng in Mechanical engineering and an MBA.