IDEO () is a design and consulting firm with offices in the U.S., England, and China. It was founded in Palo Alto, California, in 1991. The company's 500 staff uses a design thinking approach to design products, services, environments, brands, and digital experiences. In 1996, Steelcase took a majority ownership stake in the firm, which continued to operate independently. By the early 2000s, the company had expanded into management consulting and organizational design.
https://en.wikipedia.org/wiki/IDEO