Lee Ambrosius is a Principal Learning Experience Designer at Autodesk, Inc., for the AutoCAD and AutoCAD LT products on Windows and Mac. He works primarily on the customization, developer, and CAD administration documentation along with the user documentation. Lee has presented at Autodesk University for more than 10 years on a wide range of topics, from general AutoCAD customization to programming with the ObjectARX technology. He has authored a number of AutoCAD-related books, with his most recent project being AutoCAD Platform Customization: User Interface, AutoLISP, VBA, and Beyond. When Lee isn't writing, you can find him roaming various AutoCAD community forums, posting articles on his or the AutoCAD blog, or tweeting information regarding the AutoCAD product.