Trine Flockhart is Professor of International Relations at The University of Southern Denmark. Her research focuses on international order and systemic change, constructivism, NATO, European Security, transatlantic relations and the liberal international order. Her most recent publications include ‘The Problem of Change in Constructivist Theory - Ontological Security Seeking and Agent Motivation’ in Review of International Studies and ‘The Coming Multi-Order World’ published in Contemporary Security Policy and awarded the 2017 Bernard Brodie Prize.