With the rapid change experienced by the Early Years Workforce over recent times, this book considers what constitutes professionalization in the sector, and what this means in practice. Bringing a critical perspective to the developing knowledge and understanding of early years practitioners at various stages of their professional development, it draws attention to key themes and issues. Chapters are written by leading authorities and researchers in the field, and provide case studies from practice, and questions and discussion points to facilitate critical thinking. Topics covered include leading and managing in the early years, reflective journeys, constructions of professional identities, men in the early years, multi-disciplinary working in the early years, professionalization in the nursery, child care practitioners and professionalization, early childhood leadership and policy.