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.

Empowering Women Since 1898

Tri Sigma was founded on the guiding values of wisdom, power, faith, hope, and love.

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. 

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.  

Happy International Badge Day! Share your Tri Sigma pride with the world by wearing your badge today and sharing on social media using #IWearABadge and #BadgeDay24.

Tell us below: why are you proud to wear your badge?💜
Congratulations to the 2023 collegiate award winners 🏆 ✨ Help us celebrate their dedication and hard work below!
Join Lauren Moran, Gamma Rho—PennWest Edinboro, in paying your annual or Lifetime Dues by Feb. 16 💜

By paying alumnae dues, you help ensure future Sigmas can have the same experiences and opportunities you had. Visit the link in our bio to learn more!
Applications for 2024-25 Foundation scholarships are now open!

Visit the link in our bio to learn more about scholarship opportunities and submit an application by March 1. Tag a Sigma who should apply below! 📚 ✨

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

Purple & Pearls

Shop Purple & Pearls, the official boutique of Tri Sigma, for all your apparel needs—including custom chapter orders.

Herff Jones

Herff Jones is the official jeweler of Tri Sigma offering milestone pieces, graduation stoles, and everyday jewelry.

Find Greek

Looking for more? Check out FindGreek for more Tri Sigma apparel and gift ideas from officially licensed vendors.