Dr. Sheets is an environmental engineer with experience that includes wastewater collection, treatment, and reuse; solids processing; biogas upgrading; and energy analysis. Dr. Sheets' holistic approach to projects and academic research led to a leadership role in CDM Smith's wastewater surveillance initiative. He is technical lead on several wastewater surveillance projects in the U.S. and Middle East, and has been instrumental in the development of a dashboard to analyze viral data in wastewater.