The Information Architecture Conference (IAC 2026) is the premier annual gathering for information architecture professionals, returning to Philadelphia, PA, from April 14–18, 2026 (workshops April 14–15; leading conference April 16–18) at the historic Arch Street Meeting House. This 27th edition, themed "Navigating Complexity: Clarity and Understanding with Information Architecture, features talks, lightning sessions, workshops, poster nights, and networking focused on ethics, AI integration, data modelling, UX strategy, and human-centred digital experiences.