As a world-class think tank with a rich cognitive diversity of top thinkers, the United Sigma Intelligence Association (USIA) is a UK-registered nonprofit nongovernmental international think tank to promote excellence dedicated to providing intellectual inspiration to the world by awarding the USIA Fellowship and USIA Award to the world's respected intellectuals who have changed the world, in support of intellectual individuals and organizations to engage in rigorous scientific discourse for research and experimental development in the natural sciences, engineering, social sciences, and humanities while serving humanity in a productive and respectful manner.

The USIA forms a network of respected intellectual people with world-class academics, outstanding scholars, and real-world intellectuals by awarding the USIA Fellowship based on intellectual achievements that have changed the world through creative practical intelligence.