Dr Hamza al-Kateab is a Syrian doctor, an activist and a public health advocate. He set up and ran a hospital in East Aleppo during the war in Syria. This work was documented in the film For Sama, created by his wife Waad al-Kateab. Hamza is now an activist working to stop the bombing of health facilities in Syria and other conflict areas through the campaign “Action For Sama” (www.actionforsama.com / @actionforsama).