Tias Arms is a 501(c)(3) grantmaking organization that operates on a relationship-based model and exclusively makes grants by invitation. The foundation does not accept unsolicited proposals, emphasizing the importance of established connections in its funding process. Nonprofits interested in engaging with Tias Arms can explore warm-introduction pathways through Impala's Funder Prospecting. For more information, visit their website at www.tiasarms.org.