Big Sister Boston is a community of volunteers, donors, partners, girls, and their families, where every woman and girl is seen, heard, and valued through the impact of professionally supported mentoring relationships.
In addition to supporting 4,900 women and girls annually through one-to-one mentoring relationships, we offer personal and professional development opportunities for the women in our community, including the New Girls Network and Conversations Among Women.
Hear from our CEOOur look is changing, but our commitment to serving Greater Boston's women and girls is not.
About Big Sister BostonWe ignite girls' passion and power to succeed through positive mentoring relationships with women and enrichment programs that support girls' healthy development.
Being a Big Sister isn't about being perfect. It's about being present. Get started today!
Do you know a girl who could benefit from the care, support, and attention of a Big Sister?
We offer a variety of ways to show your investment in girls through charitable giving.
Join Team Big Sister in Foxboro on September 21, for the 29th Annual Rodman Ride for Kids! This non-competitive cycling event puts the fun in fundraising to support our mission of igniting girls' passion and power to succeed. Learn more
Foxboro, MA
When seven-year-old Little Sister Thelma first met Big Sister Elle, she exclaimed: "Mama says you're going to be my new friend!" What she didn't realize was that Big Sister Elle would become a friend, mentor, and champion for life. Learn more
We are 100% invested in girls and women. We are committed to serving and uplifting a diverse population. We are committed to recognizing and calling out injustice and oppression in service of fostering a more equitable world in which girls and women thrive. We are committed to being a community that is inclusive of all identities. These are our values in action. Learn more