ESA International

Where the spirit of caring and sharing lives in every member.

Epsilon Sigma Alpha (ESA) is a unique international service and leadership organization focused on volunteering, friendship, and becoming the very best version of yourself. 


As members of ESA, we’ve been joining our collective skills to make the world a better place since 1929, volunteering more than 860,000 hours annually. In communities large and small in the U.S., Australia, and Canada, we create and manage hands-on volunteer activities and charitable fundraising events for large international charities and local worthy causes alike. We have partnered with St. Jude Children's Research Hospital since 1972 and have given over $250 million in cash and pledges. Learn more about our service projects and national partnerships.


There is no subsitute for the friends you make through ESA. It's an organization where you can be yourself and connect with people who share your passion for making the world a better place. ESA members are life-long friends with whom you will travel, laugh, learn, and volunteer. Learn more about the membership that is right for you.


ESA isn't just about volunteering, it's about developing into our very best selves in order to change the world. Whether it’s a 5K to send disabled veterans to camp, a farm-to-table feast to help fight childhood cancer, or celebrating Dr. Seuss’s birthday with local Headstart students, our members have the initiative, people skills, project management know-how, strategic thinking, leadership spirit, tenacity and compassion needed to achieve whatever we set our minds to. Learn more about what we do and who we help.

COLLEGIATE CHAPTER SPOTLIGHT University of Pittsburgh – See what a typical ESA collegiate chapter looks like.

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Change lives – including your own.