Charles H. Irby was a software architect on SRI International's oN-Line System (NLS), 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 joined SRI International's Augmentation Research Center after witnessing the 1968 The Mother of All Demos, to work on oN-Line System (NLS), eventually becoming chief architect for the system.
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.