Meridian International Center Meridian is a nonpartisan center for diplomacy founded in 1960 and headquartered on a historic campus in Washington, D.C. Our mission is to empower the next era of leaders to advance diplomacy for a better future. Our programs strengthen American leadership by accelerating collaboration on shared challenges, increasing economic competitiveness, and building geopolitical resilience. We equip leaders from business, science and technology, cities and states, culture and sports with the insights, networks, and resources to navigate a complex world.