Microlumbia Impact Fund is a student-run, 501(c)(3) non-profit organization based at Columbia Business School, founded in 2007. It operates as an impact investing fund focused exclusively on financial inclusion, providing capital and strategic support to underserved communities globally. The fund maintains an active portfolio of social enterprises focused on financial inclusion across emerging markets and underserved U.S. communities.

The mission is to support financial inclusion in underserved communities while training the next generation of impact investors.