The main theme of the proceedings of the 4th International Conference on Teacher Education and Professional Development (InCoTEPD 2019) is ''Teacher Education and Professional Development in Industry 4.0". The papers have been carefully grouped under the subthemes of teacher education and professional development, curriculum, learning materials, teaching-learning process, technology and media, and assessment in Industry 4.0 education. They also cover vocational education in the era in question and one section is devoted to Industrially disadvantaged societies. As these papers were presented at an internationally refereed conference dedicated to the advancement of theories and practices in education, they provide an opportunity for academics and professionals from various educational fields with cross-disciplinary interests to bridge the knowledge gap and promote research esteem and the evolution of pedagogy.