This handbook covers both theories and practices in Technical Vocational Education and Training (TVET) teacher development, and provides up-to-date discussions and recommendations on issues relating to TVET teacher development in the digital age. It caters for the needs of in-service teachers and trainers, as well as TVET leaders who want to upscale their professional learning and development in terms of vision, knowledge, expertise, and industry skills needed in the transition to the digital era.