Teachers always seek for possible ways to develop their teaching. There are many ways teachers can develop professionally. They can do this by generating new ideas or thinking deeply about reformulating what they do in class. Nevertheless, they cannot fully improve professional development on their own. Teachers can learn with the help of other people who have knowledge and experience in teaching and learning. They learn from in-service training programs that teach new techniques and approaches. Teacher development is a long-term process that requires systematic planning. Professional advancement in the teaching profession is based on some factors. This paper defines the characteristics of teachers’ professional development and aims to expl...