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 …

More than 125 years and 140,000 initiated members later, Tri Sigma still empowers women to change the world through the guiding values of wisdom, power, faith, hope, and love.

Find a collegiate or alumnae chapter in your area. Tri Sigma's are never too far away!

In addition to a welcoming sisterhood, Tri Sigma provides opportunities for lifelong personal and professional development and a path for members to be successful in academic, professional, …

Tri Sigma’s innovative programs are designed for lifelong learning and skill development with emerging leaders, volunteers, and seasoned professionals participating at all levels.

More than 125 years ago, Tri Sigma was founding on the guiding values of wisdom, power, faith, hope, and love. Today, those same values serve as lasting reminder to always foster a …

Membership in Tri Sigma doesn’t end after graduation—it’s a lifetime of unforgettable moments. Regardless of where life takes you after graduation, there are alumnae engagement …

Tri Sigma’s vast network of staff and volunteers spans the United States and works year-round to provide programs and services to collegiate and alumnae members.

Since 1951, Tri Sigma has dedicated itself to serving children’s health initiatives. This legacy began with funding polio research through our first national philanthropic partner, the Robbie …

The Triangle is the annual magazine of Sigma Sigma Sigma. Each issue features individual member stories, collegiate and alumnae chapter updates, news from National Headquarters, …