ICON plc operates as a clinical research organization, which engages in the provision of outsourced development services to the pharmaceutical, biotechnology, and medical device industries. It specializes in the development, management and analysis of programs that support clinical development. It operates through the following geographical segments: Ireland, Rest of Europe, U.S. and Other. The company was founded by John Climax and Ronan Lambe in June 1990 and is headquartered in Dublin, Ireland.