Our Mission Statement

Big Sister Association of Greater Boston's mission is to help girls realize their full potential through positive mentoring relationships with women.

Become a Big Sister today.

It isn't about being perfect. It's about being present. Find out how to become a Big Sister today.

Get Involved.

You don't have to be a mentor to make a difference. Join thousands of men and women supporting Greater Boston's girls through volunteerism and philanthropic contributions.

Enroll a girl today.

If you want your daughter to have a Big Sister, enroll today with our simple online application.

Chef Michael Schlow CEO Deborah Re Tico Boston

Recent Event: Celebrity Chef

Date: June 1, 2014

Location: Tico, Boston

Hosted by: Chef Michael Schlow

24th Rodman Ride for Kids

News Events

  • News
  • 09/12/2014
  • A Letter to Our Community
  • With the hope that words do indeed become actions, please read the Lewis Family Foundation article published today in the Boston Globe, urging each of us to embrace peace and lead by example.

Become a Big Sister today!

Got what it takes to help us get #Girls2Great? See how much fun you could be having as a Big Sister.
Thank you to FleishmanHillard for producing this video!


Big Sister raises 85% of our annual revenue through private philanthropy; your donation is critical.


President Obama’s My Brother’s Keeper, which provides programming to aid young men of color, excludes women & girls of color. We believe women & girls not only need to be included in this initiative, but also in the global vision of advancement.