More than a sorority.
Tri Sigma is a transformative and inclusive space where women build lifelong friendships, learn to navigate and excel in today’s ever-changing landscape, and inspire meaningful change in the world.
Why Tri Sigma?
Joining Tri Sigma means becoming a part of a worldwide sisterhood of women who support, inspire, and motivate each other to reach their full potential.
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Lifelong Connnections
Whether you are a recent graduate, new to your local community, or looking to reconnect with chapter sisters, there are engagement opportunities for Sigmas at any stage of life.
Alumnae Chapters
Use our chapter map to find the alumnae chapter closest to you. We are never too far away.
News & Events
Catch up on the latest updates and happenings at NHQ, around the country, and near you..
Volunteer Opportunities
Tri Sigma volunteers enhance the collegiate experience and support the national organization.
✨GIVEAWAY CLOSED✨
To help celebrate the next chapter of your Tri Sigma journey, we are gifting one senior an alumna sweatshirt and sticker decal, a Faithful Unto Death shirt, and a coat of arms hat!
To enter:
• Follow us @SigmaSigmaSigmaHQ
• Tag a sister in the comments
Winner will be announced Monday, May 13! 💜
May 8
![✨GIVEAWAY CLOSED✨
To help celebrate the next chapter of your Tri Sigma journey, we are gifting one senior an alumna sweatshirt and sticker decal, a Faithful Unto Death shirt, and a coat of arms hat!
To enter:
• Follow us @SigmaSigmaSigmaHQ
• Tag a sister in the comments
Winner will be announced Monday, May 13! 💜](https://sigma.industrialrabbit.com/wp-content/plugins/instagram-feed-pro/img/placeholder.png)
Founders Day of Giving is THIS WEEK! 💜 🎉
On April 19-20, Sigmas across the country will come together to provide enduring support for the leadership development, scholarship, and philanthropic initiatives of Tri Sigma.
But it`s not too early to get started! Make a gift today at trisigma.org/fdg
Apr 14
![Founders Day of Giving is THIS WEEK! 💜 🎉
On April 19-20, Sigmas across the country will come together to provide enduring support for the leadership development, scholarship, and philanthropic initiatives of Tri Sigma.
But it's not too early to get started! Make a gift today at trisigma.org/fdg](https://sigma.industrialrabbit.com/wp-content/plugins/instagram-feed-pro/img/placeholder.png)
Founders Day of Giving is only two weeks away! 💜🎉
Join us for 1 day, 8 hours, and 98-minutes starting April 19 to honor our Founders and help us raise $200,000 to empower the future of Tri Sigma!
Check trisigma.org/foundersday periodically for more updates and learn how you can get involved.
Apr 5
![Founders Day of Giving is only two weeks away! 💜🎉
Join us for 1 day, 8 hours, and 98-minutes starting April 19 to honor our Founders and help us raise $200,000 to empower the future of Tri Sigma!
Check trisigma.org/foundersday periodically for more updates and learn how you can get involved.](https://sigma.industrialrabbit.com/wp-content/plugins/instagram-feed-pro/img/placeholder.png)
Engage With Us
Though alumnae life looks a bit different than the collegiate experience, your membership in Tri Sigma spans a lifetime. It’s never too late to catch up. We’ll be right here.
Shop Tri Sigma
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Purple & Pearls
Shop Purple & Pearls, the official boutique of Tri Sigma, for all your apparel needs—including custom chapter orders.
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Herff Jones
Herff Jones is the official jeweler of Tri Sigma offering milestone pieces, graduation stoles, and everyday jewelry.
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Find Greek
Looking for more? Check out FindGreek for more Tri Sigma apparel and gift ideas from officially licensed vendors.