Dr Wehner is Reader in International Relations since June 2019 and Vicepresident of the International Studies Association (ISA) (2021-2022). Leslie joined the Department of Politics, Languages and International Studies as Senior Lecturer (2015-2019) and previously, he was Senior Research Fellow at GIGA German Institute of Global and Area Studies, Hamburg (2012-2014).

Leslie lectured foreign policy analysis, international political economy, comparative regionalism and international politics of Latin America in different German Universities, such as the University of Kiel, Leuphana University Lüneburg and the University of Hamburg.

Leslie did his first degrees at Pontificia Universidad Católica de Chile, and his postgraduate work at the University of Essex and Lund University. He received his PhD in Political Science from the University of Hamburg.

His specific areas of interest include role theory in international relations and foreign policy analysis, emerging powers (BRICS), the nexus of populism and foreign policy, leaders in foreign policy and Leadership Trait Analysis, and the foreign policies and foreign economic policies of Latin American states, and regional cooperation in Latin America. Leslie is also Associate Editor of Foreign Policy Analysis and member of the editorial board of the Journal of Politics in Latin America (JPLA). Previous to his appointment as Vice-President of the ISA, he was Member of the ISA Long Range Planning Committe (2019-2021) and At-Large Officer of the ISA Foreign Policy Analysis Section (2016-2017).

Leslie has authored a book, Explaining Free Trade Agreement Negotiations: Cases from Latin America (2010) with the editorial NOMOS, several book chapters, and some of his most recent peer reviewed articles have been published in Bulletin of Latin American Research, Cambridge Review of International Affairs, Foreign Policy Analysis, International Studies Review,  International Politics, International Relations, Journal of International Relations and Development, and Oxford Encyclopedia of Foreign Policy Analysis.

Foreign Policy Analysis
Identity and Role Theory
Emerging and Declining Powers
Narratives in Foreign Policy Analysis
Leaders and Leadership in Foreign Policy