Eddy Krygiel is an Autodesk Authorized Author and registered architect at HNTB Architects, where he implements BIM and has used Revit to complete projects of all sizes. Phil Read is Vice President and Director of Practice Integration at HNTB, one of the driving forces behind the original Revit software, and a popular presenter at Autodesk University. James Vandezande is a registered architect and Senior Associate at HOK, where he is one of the company's BIM leaders. James is also the president of the New York City Revit Users Group and teaches Revit as an adjunct lecturing professor at NYU. All three authors maintain the popular Revit blog www.architecture-tech.com.