His research and teaching interests concern the politics of ethnicity and identity; transnational social movements (in particular the tension between the object of activism and activists themselves); and Israel/Palestine. His academic work is informed by and informs his involvement in solidarity work, and he has served (2009-2010) as the chair of the Ireland Palestine Solidarity Campaign. He has published on human rights discourse in solidarity groups, on study trips to Israel/Palestine, and on diaspora Jewish opposition to Israel. His recent book is Jewish Identity and Palestinian Rights: Diaspora Jewish Opposition to Israel. (Zed Books. 2011)