David Scheer is Chief Technology Officer at PlanIT Impact. David is a registered Architect, energy consultant, software developer, contractor, and founder of RetroEta. Prior to coming to PlanIT Impact, David developed lighting, solar, and energy analysis and simulation tools for Autodesk as a Product Manager and Building Performance Expert at Autodesk, and more recently as an Autodesk consultant with RetroEta and Structural Integrators. As an architect and energy consultant, David has designed or built numerous residential and commercial buildings, ‘green’ subdivisions and master plans, and he served on the planning and economic development commissions in Homer, Alaska, where he also worked as a commercial float plane pilot. David now lives in San Francisco, California.