This book brings together diverse voices spanning multiple generations, nationalities, institutional affiliations, and geographical contexts to examine contemporary developments in the study of personnel and professionals engaged in the European integration process. Edited by two distinguished authorities in the discipline, this comprehensive volume represents a significant scholarly contribution to the emerging field of European integration personnel studies. The collection presents a methodologically diverse array of empirical investigations, each grounded in original datasets and employing varied analytical frameworks. The chapters illustrate in a unique manner the state of the art in this rich subfield of European studies. This book is distinctive in taking stock of and reviewing new developments in the flourishing field of EU personnel and professional studies. Comprising a broad range of case studies, data, and methodologies, it constitutes an essential resource for specialists in European issues as well as for students seeking to engage at various levels with the European Union or within its institutions and processes. This book will serve as an essential resource for advanced undergraduate students, researchers, and established scholars specializing in European Union studies, comparative politics, and public administration. Academics and practitioners engaged in research on European governance, institutional analysis, and integration theory will find the volume particularly valuable. The work also addresses the needs of policy professionals and civil servants working within or alongside EU institutions who seek deeper understanding of the human dimensions of European integration. The chapters in this book were originally published as a special issue of European Politics and Society.