STI Engage is the nation’s largest annual gathering for professionals working to ease the nation’s STI epidemics. At STI Engage 2025, these STI professionals – state and local public health leaders, clinic staff, Disease Intervention Specialists (DIS), advocates, and more – will gather to hear from their peers and national leaders in government, movements, and research in breakout sessions, can’t-miss plenaries, and events designed to build connection. Continuing with the momentum from STI Engage 2024, when more than 1,000 STI professionals joined us in Washington, D.C., we’re bringing the STI sector’s signature conference to Phoenix, Arizona.