Mae gan Graham brofiad helaeth hefyd o gynllunio brys aml-asiantaeth a gweithgarwch argyfyngau sifil ar lefel leol a rhanbarthol. Roedd yn aelod o Fforwm Lleol Cymru Gydnerth y De ac yn Gadeirydd ar Fwrdd Cydnerthedd Awdurdodau Lleol De Cymru rhwng 2012 a 2014.
Graham also has extensive experience of multi-agency emergency planning and civil contingencies activity at local and regional levels. He was a member of the South Wales Local Resilience Forum and was Chair of the South Wales Local Authority Resilience Board from 2012 to 2014.