Mabel Louise Riley Foundation is an independent non-profit private foundation based in Boston, Massachusetts. Established in 1972, the foundation primarily focuses on education and social services for disadvantaged children and adolescents. The foundation also focuses on community development for the benefit of low-income people. The assets are managed by the board of trustees. BNY Mellon serves as Corporate Trustee of the foundation.Mabel Louise Riley Foundation's investment portfolio is valued at $61.71 million, with investments in private equity and cash.