The USIA: United Sigma Intelligence Association is a non-profit high intelligence organization. The USIA is a 3 sigma, 4 sigma, and 5 sigma intelligence umbrella society, which was founded in 2007 by Dr. Hankyung Lee, M.D.

The USIA exists, as an international think tank, to gather gifted people with high to exceptional levels of intelligence, or its equivalent education, contributing to the field of human and artificial intelligence.

USIA members included the brightest minds such as Peter Singer, Graham Priest, Aubrey de Grey, Richard Nisbett, and Nick Bostrom.


“All men by nature desire to know.” — Aristotle

“The object of knowledge is what exists and its function to know about reality.” — Plato