Nexus Luxembourg 2026 returns on June 10—11 with a bold, curated 4-in-1 format accelerating AI and technology for a better tomorrow. Bringing together more than 10,000 visitors from over 50 countries, the summit unites global experts and pioneers, EU policymakers, investors, financial-centre leaders and 250 handpicked startups and scaleups competing for a €100,000 Grand Prize across ten categories.