Cooper is a user experience design and strategy consulting firm headquartered in San Francisco with an office in New York. Cooper is credited with inventing several widely used design concepts, including goal-directed design, personas, and pair design. It was founded by Sue Cooper and Alan Cooper in 1992 in Menlo Park, CA, under the name 'Cooper Software,' then changing the name to 'Cooper Interaction Design' in 1997. Cooper was the first consulting firm dedicated solely to interaction design. Its original clients were mainly Silicon Valley software and computer hardware companies.