Biographical note

A prolific author and respected instructor, Alan Jefferis has taught drafting technology at Clackamas Community College, an Authorized AutoCAD (R) Training Center, for more than 31 years. Prior to that, Mr. Jefferis taught for four years at Mt. Hood Community College in Gresham, Oregon. He brings a wealth of professional experience to his writing, including eight years of drafting for structural engineers and 35 years of residential designing. Mr. Jefferis is currently the principal owner of Residential Designs, a design firm specializing in custom, energy-efficient homes. He is a former Autodesk (R) Developer Network member and a former member of the A.I.B.D. Mr. Jefferis obtained his B.S. degree from San Diego State University in 1972 and has authored or co-authored numerous textbooks on architectural drafting and design and effectively working with AutoCAD. Kenneth D. Smith has been a principal and designer for his own firm for over thirty years. He was co-founder for a structural engineering firm where he served as president for over ten years and head designer for over thirty years. He is currently the principal of Kenneth D. Smith Architect & Associates, Inc., located in southern California. Currently, Mr. Smith is CEO, and Director of Architectural Design and continues to be personally involved in all projects. Mr. Smith's experience with a structural engineering firm coupled with his experience as an architect using AutoCAD and Revit provides smooth integration of structural and architectural requirements, resulting in efficient, quality designs.