This two-volume work explores the role of proactive behaviour in employer/employee relations and in the wider context of the organization and society. This book, the second of two volumes, examines proactive behaviour at the organizational level and in light of the current challenges and upheavals being faced by employees around the world. Topics covered include non-profit organizations, organizational climate and teamwork, strategic human resources management, leadership, intercultural differentiation, the digital world and AI, sustainability, and the post-pandemic world. The subject of proactive behaviour is examined at meso and macro levels and this volume will provide comprehensive information for academics, students and those conducting research in organizational behaviour.