Dr. Paul Sonenthal is a pulmonary and critical care physician at Brigham and Women’s Hospital, instructor at Harvard Medical School, and director of inpatient medicine and critical care at Partners In Health, where he leads strategic design, implementation, and evaluation of critical care medicine programs. An internationally recognized leader in global critical care and oxygen ecosystems, he is the principal investigator of the Unitaid-funded project BRING O2, which is accelerating access to safe, reliable, and quality medical oxygen in Malawi, Rwanda, Peru, Lesotho, and Madagascar.