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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 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.

Sigma in the news   

Updated course eases the stress of leading medical mission trips

(INDIANAPOLIS) — Nurse faculty are frequently asked to lead a medical mission trip for students, often to a foreign country. Preparing for such a trip involves meticulous planning to meet the needs of the mission-focused population, as well as to ensure that the health and safety of the medical mission participants are met.
Implementing a Nurse Faculty-Led Medical Mission continuing nursing education (CNE) course helps nurse faculty plan, organize, and lead a successful trip. This online course from Sigma provides the necessary knowledge for nurse faculty to confidently plan and lead such a mission.
The course addresses the planning, cultural adaptation, budgeting details, and supply needs for carry out the mission. It features 16 interactive knowledge checks, a budgeting activity, and a downloadable budget template.
Purchase this course at


About Sigma Theta Tau International Honor Society of Nursing (Sigma)
The Sigma Theta Tau International Honor Society of Nursing (Sigma) is a nonprofit organization whose mission is advancing world health and celebrating nursing excellence in scholarship, leadership, and service. Founded in 1922, Sigma has more than 135,000 active members in over 90 countries and territories. Members include practicing nurses, instructors, researchers, policymakers, entrepreneurs, and others. Sigma’s more than 530 chapters are located at more than 700 institutions of higher education throughout Armenia, Australia, Botswana, Brazil, Canada, Colombia, England, Ghana, Hong Kong, Jamaica, Japan, Jordan, Kenya, Lebanon, Malawi, Mexico, the Netherlands, Pakistan, Philippines, Portugal, Singapore, South Africa, South Korea, Swaziland, Sweden, Taiwan, Tanzania, Thailand, the United States, and Wales. Learn more at