John Hallgarth

John Hallgarth

Founder, Developer, CONTRABIM

John is based in Los Angeles, California and has a degree in Construction Engineering Management. Since 2007, he’s worked in the Southern California region and for one of the nations largest General Contractors and has since launched his own business focusing on applied uses of Archicad for AEC teams. John founded CONTRABIM with the goal and purpose to help Archicad users learn and implement techniques for planning, design reviews, quantification, estimating, scheduling and more. He’s developed these workflows into the CONTRABIM Archicad Template, and also other toolkits to help Architects, Engineers, Builders and owners achieve more with this powerful BIM application. John launched CONTRABIM.com as a resource for Archicad users to learn through free tutorials, on-demand training courses, and as a central platform for hosting BIM tools and services.