Permission to Use Sigma Logo


If you are an Sigma member, go to The Circle to download the chapter style guide and a JPEG file of the Sigma logo. If you would like a vector image of the logo or crest, complete the form included in the style guide and your request will be reviewed as soon as possible.

If you are not an Sigma member and would like to request use of Sigma's official logo, contact marketing@stti.org. In your email, provide detailed information regarding your intended use. Permission to use the logo or crest is granted on a case-by-case basis, and reasonable notice should be given. Approvals are for one-time use only.

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Sigma Statement of Diversity and Inclusion

Diversity of membership is what makes any profession stronger, and nursing is no exception.

Since 1922, the Sigma Theta Tau International Honor Society of Nursing (Sigma) has embodied the attributes of our founders: love, courage, and honor. We pride ourselves on being a diverse, inclusive global organization that does not discriminate, and we firmly believe diversity in our membership makes us stronger. Although we are an apolitical organization, we take seriously our responsibility of ensuring a welcoming and respectful environment for our members worldwide. 

Sigma remains committed to the value and active engagement of a global community of nurses. We represent fairness, equality, inclusivity, and respect by the very nature of our core tenets and are against any form of discrimination. We will continue to welcome and celebrate our members’ rich diversity as we always have. 

Sigma will remain a voice within the US and world in support of our core values, including diversity and inclusiveness. We will continue to work collaboratively with members from all our global regions to fulfill our mission of advancing world health and celebrating nursing excellence in scholarship, leadership, and service.