Team
Chief Sustainability Officer, and Vice President Environmental SolutionsDavid Stewart
Before Greenfield, David spent 16 years in senior QHSER leadership positions for Crestone Peak Resources, Bonanza Creek Energy and Encana. His background also includes 14 years in air quality and environmental consulting. David holds a B.A. from Coe College and a M.S. in Environmental Policy and Management from the University of Denver.