This book is a seminal study of the European Ombudsman, focusing on current challenges and future developments by its leading expert commentators. This open access volume traces the evolution of the European Ombudsman over its first almost three decades. Its focus however lies on the current challenges and future perspectives of this ever-innovative EU institution. It brings together leading voices from academia, EU institutions, civil society, and the European Ombudsman s office. It highlights developments and future potential in several salient fields, from data infrastructure and digital platforms over environmental protection and border protection agencies to revolving doors and industry lobbying. The collection s breadth of study and depth of expertise will mean this is required reading for scholars of EU law, from both a constitutional and consumer law perspective. The ebook editions of this book are available open access under a CC BY-NC-ND 4.0 licence on bloomsburycollections.com. Open access was funded by the European University Institute.