About Us


Sigma Mission

The mission of Sigma Theta Tau International Honor Society of Nursing (Sigma) is advancing world health and celebrating nursing excellence in scholarship, leadership, and service. 

 

Society Vision
Sigma's vision is to be the global organization of choice for nursing. Learn more about Sigma.


Chapter Region

Sigma's chapters are separated into six global regions. The North America region is further divided into 15 geographic regions. To learn more about the organization's regions, visit the Sigma website.

Headquarters Information
Chapter-specific questions should be directed to the chapter's contact person listed in the chapter directory. If you have questions about your membership, renewals or benefits, please contact Sigma headquarters. 


Sigma 
550 W. North Street
Indianapolis, IN 46202 USA

888.634.7575 (US/Canada toll-free)
+1.317.634.8171 (International)
memserv@sigmanursing.org

Call center staff are available to assist you Monday-Friday, 8:00 a.m. - 5:00 p.m. Eastern Time.