Karl Blanchet is a Senior Lecturer on health systems research at London School of Hygiene and Tropical Medicine. Karl is also co-founder and coordinator of the Public Health in Humanitarian Crises Group. Karl is also one of the Theme Leaders of The Centre for Evaluation. Karl has a background in public health and extensive experience in health system strengthening in Asia and Africa. Karl has specific interests in studying resilience issues in global health and more specifically in post-conflict and conflict-affected countries. Karl has developed innovative research approaches based on complexity science, system thinking and social network analysis. Karl also applied innovation theories to understand the routinisation process of health interventions.