Tracy Young co-founded PlanGrid, construction productivity software, in 2011 with Ralph Gootee, Antoine Hersen, Kenny Stone and Ryan Sutton-Gee.  PlanGrid grew from 5 co-founders to 450 people, and helped build over 1m construction projects around the globe before it was acquired by Autodesk in 2018 for $875m.  Prior to PlanGrid, Tracy helped build hospitals in the Bay Area.