Katrin Radtke is a senior research associate and lecturer at the Institute for Law of Peace and Armed Conflict at Ruhr University Bochum, Germany. She is Academic Director of the academy for humanitarian action (aha) and Academic Coordinator of the Network on Humanitarian Action (NOHA) Joint Master's Programme in Bochum. She obtained her doctorate in political science from the Humboldt University Berlin and holds an MA in political sciences from the New School University New York. Her research focuses on disaster risk assessment and localisation of humanitarian action. Before joining the Ruhr University Bochum she spent several years working for the NGO Welthungerhilfe in the field of humanitarian action.

Kristina Roepstorff is Associate Professor of International Relations at the Otto-von-Guericke University Magdeburg and Senior Researcher at the Peace Research Institute Oslo (PRIO). She has been teaching on the European NOHA Master Programme in International Humanitarian Action since 2008 and as an associate faculty member at the School of Humanitarian Studies, Royal Roads University, Canada, since 2015. Kristina obtained her Habilitation in political science from the University of Magdeburg (2023) and her doctorate in political science from Bremen University (2009). With her research on humanitarian action, peacebuilding, and forced migration, she seeks to bridge academic research and teaching with policy and practice.

PART 1 Introduction 1 Humanitarian action in a changing world; Zoom in: Interactions between local and international response; 2 Decolonising humanitarian action; PART 2 Humanitarian response 3 Humanitarian crises; 4 Actors and institutions; Zoom in: Communities as first responders; 5 Rules and norms of humanitarian action; 6 Modalities and sectors; Zoom in: Humanitarianism across the globe; 7 Humanitarian management; Zoom in: Different models of humanitarian action; PART 3 Trends and challenges 8 Humanitarian access; 9 Diversity and inclusion in humanitarian action; 10 Nexus thinking: linking humanitarian action with development, peace, and beyond; 11 Humanitarian innovation: past, present, and future of a movement for change; 12 Anticipatory humanitarian action