The Big Sister Association of Greater Boston Inc is a nonprofit organization dedicated to youth mentoring, specifically empowering girls through positive mentoring relationships with women and enrichment programs that promote healthy development. With an operating budget of $84.7K and total revenue of $39.2K for the 2025 filing year, the organization relies on multiple funders, none of which contribute 50% or more of its revenue. For more information, visit their website at www.bigsister.org.