Authors

Dave Espinosa-Aguilar trains architectural and engineering firms on the general use, customization, and advanced programming of Autodesk visualization and design applications.

Lynn Allen, CADENCE columnist and worldwide Autodesk Technical Evangelist, speaks to more than 15,000 users each year.

Heidi Hewett began using AutoCAD in 1986 and has been employed by Autodesk since 1992.

Dave Pitzer has been using AutoCAD® since 1986. He has also been teaching AutoCAD and AutoLISP® at the college level since 1995.

Bill Burchard is corporate CADD manager for Psomas, a California-based land surveying and civil engineering firm.

Robert Green is the voice of "Managers VPOINT" and "EDM Chronicles" in CADENCE magazine, as well as an industry newsletter on CAD management.