The Research Institute for Mathematics is a 501(c)(3) organization that focuses on grantmaking through a relationship-based approach, exclusively by invitation. This funder does not accept unsolicited proposals, making it essential for nonprofits to engage through established connections. Nonprofits interested in exploring warm-introduction pathways can leverage Impala's Funder Prospecting to facilitate potential engagement. For more information, visit their website at www.researchinstituteformathematics.edu.