SST5 will catalyze connection, collaboration, and innovation in the science and practice of scalable, single-session approaches. The Symposium will feature presentations from single-session experts and emerging leaders across the globe and across multiple sectors (academia, clinical practice, policy, industry). Research talks, implementation workshops, and clinical demonstrations and trainings will cover the design, evaluation, dissemination of single-session approaches across diverse settings——including primary care, schools, popular online platforms, walk-in and by-appointment mental health clinics, and emergency settings. SST5 will also offer training and continuing education opportunities for students and mental health professionals.