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 
Big Sister is gearing up for the Rodman Ride and we want YOU on our team! Together we can raise $100,000 to support our mentoring programs for girls. 

News Events

  • Blog
  • 08/18/2014
  • The BIG Picture
  • Big Sister Caroline Gulde challenges mentors to accept the personal responsibility of self-awareness and positive self image.

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 our creative team at 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.