This book presents selected papers from the V International Scientific and Practical Conference “Ecosystems without Borders” held at Kaliningrad State Technical University, Kaliningrad, Russia, October 2–3, 2024. Materials of the book “Ecosystems without Borders: Economic Systems and Processes” include theoretical and spatial aspects of ecosystems, peculiarities of formation of the creative class in these conditions, as well as studies reflecting the transformation of ecosystems, both in innovative development and in science, technology and business. This  book includes articles reflecting the latest scientific trends aimed at realizing the ideas of sustainable development and circular economy. This book is of interest to a wide range of readers, practicing economists, students, graduate students, and researchers, as well as government officials and managers of companies.