In 2011, when war first broke out in Syria, Hallam became involved in the humanitarian response.[7] She became Medical Director of Hand in Hand Syria, a Syrian led, UK registered charity that looked to deliver medical aid in Syria in 2012.[2] Hand in Hand Syria supported 80 field hospitals and a paediatric hospital.[1][3] In 2013 she appeared on Panorama Saving Syria's Children.[8] She is a prominent voice in the news coverage about Syria.[9] She has written for The Lancet, The Guardian The Independent and the Huffington post.[10][11][12][13] She has appeared on The Daily Show, the BBC and SBS.[14][15]