Joanna Hoffman was part of the original Apple Macintosh developer team. She was the only Macintosh marketing person for more than a year. Hoffman was the fifth person hired by Jef Raskin for the team. Among her contributions was writing the first draft of the Macintosh User Interface Guidelines.
Before joining Apple, she was a physicist and archaeologist. She married another Macintosh team member, and is the mother of two children.