He was Professor of Psychology at Keele University until 2008, where he now has emeritus status. From 2005-2009 he was Executive Director of the Oxford Research Group, an NGO that sought to develop non-violent approaches to national and international security issues. Until 2020 he was co-director of Every Casualty Worldwide, which works towards ensuring that all lives lost to armed conflict, anywhere in the world, are properly recorded.
He taught Psychology at Keele University until 2008, where he now holds emeritus status. From 2005-2009, he was the Executive Director of the Oxford Research Group, an NGO focused on non-violent security solutions. Until 2020, he co-led Every Casualty Worldwide, which aims to record all lives lost in armed conflicts globally.