Philippe Zittoun is a Research Professor of political science at the LAET-ENTPE of the University of Lyon and the Secretary General of the International Public Policy Association (IPPA). He is co-editor of the International Series on Public Policy for Palgrave-McMillan and serves on the Editorial Board of many scientific journals (Critical Policy Studies, Journal of Comparative Policy Analysis, Policy Studies Journal, Policy and Society, Policy Research Journal, etc.). He has been a visiting Professor at Yale University and has given lectures at different universities around the World. He has published 11 books and a large number of articles. His most recent books include “The politics of meaning struggles. Shale Gas Policy under Pressure in France” (with Sebastien Chailleux, 2022, Elgar), “The Political Formulation of Policy Solution” (with Frank Fischer, Nikolaos Zahariadis, 2021, BUP), "The Political Process of Policymaking, a pragmatic approach to public policy" (Palgrave 2014), "The Contemporary Approaches to Public Policy: Theories, Controversies, and Perspectives" (Palgrave, 2016) (with Guy Peters), etc. His studies focus on a constructivist and pragmatist approach to policymaking with a specific attention to the political dimension, the role of expertise and the meaning struggles developed in the multiple hidden arena during all the process. 

Julia Maurmann Ximenes is a professor at Escola Nacional de Administração Pública (ENAP – Brazil) in the master and doctorate, working with Law and Public Policies, discursive institutionalism and qualitative methods in public policies research. She has undergraduate studies in Law and doctorate in Political Sociology, with strong interest in the linkage between law, public policies and state capacities. She also works with public policy challenges across the global South, specially Latin America and Caribbean, as academic coordinator of FLACSO Brasil.