MODZELEWSKI CHARITABLE TR US 100196 C/O STERLING FOUNDATION MANAGEMENT LLC is a 501(c)3 grantmaking organization that operates on a relationship-based engagement model and does not accept unsolicited proposals. Grants are made strictly by invitation, emphasizing the importance of established connections for potential grantees. Nonprofits interested in exploring warm-introduction pathways can utilize Impala's Funder Prospecting to facilitate engagement with this funder.