Charles H. Irby was the chief software architect on SRI International's oN-Line System (NLS) that was used in The Mother of All Demos, which established many of the user interface standards that exist today, and also lead the design group for the Xerox Star. He co-founded Metaphor Computer Systems and lead the design of its products.
Irby then co-founded and was the Senior Vice President of Engineering for Metaphor Computer Systems, and was later Executive Vice President of product development at General Magic, which created the Magic Cap and Telescript products. Most recently, Irby worked for Silicon Graphics (SGI), where he contributed to their consumer products and technology, and managed the engineering team that had previously developed the Nintendo 64. Irby retired in 1997.