A prolific author and respected instructor, Mr. Alan Jefferis, has taught drafting technology at Clackamas Community College, an Authorized AutoCAD Training Center, for more than thirty-one 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 thirty years of residential designing. Mr. Jefferis currently owns Residential Designs. He is a former Autodesk Developer Network member and a former member of the A.I.B.D. Mr. Jefferis obtained his BS degree from San Diego State University in 1972. He 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.