Chief Architect software is a privately held Company founded in 1981[7] in Palo Alto, CA. Initially the Company was named Advanced Relational Technology, Inc. (ART) and developed relational databases. The Company's founder, Jack Simpson, a physics PhD from Stanford University, was a native of Coeur d’Alene, Idaho and relocated the Company to Coeur d’Alene in the early 1990s. At that time, he changed the business from database software to home design software. In 2005, the name of the Company name was changed to Chief Architect, Inc.
Chief has a great for most all stairs EXCEPT CIRCULAR STAIRS. THE CIRCULAR STAIR SYMBOL IS VERY LACKING