MacArthur Foundation: 100&Change is a competition that supports a bold solution to a critical social challenge of our time. Competitive proposals will address a significant problem and provide a solution that is impactful, evidence-based, feasible, durable, and just. Proposals are accepted from any sector and field. The Organizational Readiness Assessment will provide you insights as to whether your solution is a strong fit for the competition and is a first step MacArthur requires. OFR Contact: Catherine Cotter. Amount: $100 million over five years. Deadline: 8/15/24 (Registration Deadline); please contact Catherine Cotter for internal submission processes.