As a toolkit for the issues and challenges of diversity and inclusion in defence and security organizations, this state-of-the-art book allows leaders, managers, practitioners, and personnel to examine international perspectives on the current research, best practices, lessons learned, and strategies for promoting greater teamwork, collaboration, trust, cohesion, and organizational performance. Authors discuss critical areas such as (a) gender, ethnic, and cultural diversity; (b) international case studies that employ diverse and inclusive management practices; (c) inclusive, team-based, and transformational leadership; (d) evidence-based approaches to understanding best practices and lessons learned in diversity and inclusion; and (e) methods, innovative strategies, programs, and recommendations to help promote greater team engagement, resilience, and adaptability in defence and security. This book moves beyond theoretical discussions and provides practical approaches and recommendations to generate effective problem-solving, innovation, and creativity across organizations. By embracing team diversity and inclusion practices, organizations can better leverage diverse knowledge, skills, and experiences to help build a sustainable culture where people work together to achieve effective solutions to real-world problems.