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.
Sigma's vision is to be the global organization of choice for nursing. Learn more about Sigma.
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.
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.
550 W. North Street
Indianapolis, IN 46202 USA
888.634.7575 (US/Canada toll-free)
Call center staff are available to assist you Monday-Friday, 8:00 a.m. - 5:00 p.m. Eastern Time.
Gamma Gamma Chapter
The Gamma Gamma chapter is a Nursing Honor Society affiliated with San Diego State University. It is one of hundreds of chapters under the umbrella of the Honor Society of Nursing, Sigma Theta Tau International, the second largest nursing organization in the world. Members are nursing scholars. One of the purposes of this honor society is to fund nursing research.