Scientists and engineers are elected to Sigma Xi based on their research potential or achievements. Today, the Society includes nearly 60,000 active members. More than 200 Nobel Prize-winning members are commemorated in the Hall of Honor at the Sigma Xi Center in Research Triangle Park.
Sigma Xi has more than 500 chapters in North America and around the world at colleges and universities, industrial research centers and government laboratories.
Motto: Spoudon xynones, or "Companions in Zealous Research."
