I am the Principal Investigator of the GOAL project, funded by GCRF/ESRC, which seeks to support government and partners in health system strengthening for better mental health of Syrian refugees and host communities in Lebanon. I also support the Wellcome Trust/NIHR funded CHANGE study (led by Daniela Fuhr) which seeks to develop a transdiagnostic intervention addressing alchol misuse and mental health comorbidities among conflict-affected populations in Uganda and Ukraine. I am also LSHTM PI/work package lead on the EC-funded STRENGTHS study (led by Vrije Universiteit Amsterdam) exploring the implementation and scaling-up  of a brief mental health interventions for Syrian refugees in countries neighboring Syria and in Europe. I also collaborate in the Afya Consoritum which conducts research on public health threats in populations affected by crises in Somalia, Sudan, South Sudan and the Democratic Republi of the Congo.

My previous research has included leading: the RECAP project on improving humanitarina response and decison-making; evaluating diabetes services in Democratic Republic of Congo, Jordan, and Lebanon; studies on mental health needs among internally displaced persons in Ukraine and Georgia; developing and validating a new method to estimate mortality in conflict-affected and resource-poor settings; and examining the influence of armed conflict and forced migration on mental health in South Sudan and northern Uganda.

Funders for my research have included the Wellcome Trust, ESRC, DFID, UKRI/GCRF, the European Commission, and AED/USAID.

I co-founded the LSHTM Mental Health and Psychosocial Support Research Network in 2022.

I jointly led the 2017 Lancet series on health in humanitarian crises with Francesco Checchi. I am  Guest Editor for a special issue on the health of internally displaced persons in the Journal of Migration and Health. I am on the Editorial Board of journal Refugee Survey Quarterly. I was Co-Editor-in-Chief of the journal Conflict and Health from 2010 to 2020.