Mr. Guest has been employed by the Walker Environmental Group for over 20 years, serving as the General Manager of Energy & Technical Services for more than half of that time. In this role, Mr. Guest is responsible for the day-to-day management of Ontario’s largest RNG production facility, 12 MW of LFG to Electricity generation and a compression station and pipeline project that provides fuel to a 6.5MW Cogen facility at the General Motors plant in St. Catharines, ON. 

With a background in engineering and project management he has been the lead PM on numerous design/build projects dealing with landfill gas capture and utilization, solid waste, biosolids, composting and municipal infrastructure.  Mr. Guest is active in numerous industry associations and is in his 3rd term as a Director with the Canadian Biogas Association (CBA).