Sigma Theta Tau International Honor Society of NursingFounded in 1922 by six nursing students, Sigma Theta Tau International Honor Society of Nursing (Sigma) has more than 100,000 active members and 600 chapters at institutions of higher education and healthcare partners from Armenia, Australia, and Botswana to Thailand, the United States, and Wales. Sigma members include clinical nurses and administrators, academic nurse educators and researchers, policymakers, entrepreneurs, and others working to fulfill the organization’s vision of connected, empowered nurse leaders transforming global healthcare.