The A2O2: Accelerating Access to Oxygen convening was a three-day meeting held in Dubai November 7–9, 2017. The purpose of the meeting was to foster information sharing and active dialogue between key stakeholders. To achieve this, the agenda included plenary and panel presentations, small-group breakouts, and roundtable working-group sessions. The convening included 102 participants representing four stakeholder groups: country decision-makers, global health partners, financiers, and manufacturers.