The Covid-19 pandemic, which is still ongoing, has changed the way various sectors work, including the education sector. Teachers are required to carry out online teaching which has affected the teacher's teaching competencies that must be possessed. The ability to teach teachers in various conditions must continue to be developed so that student outcomes also continue to increase. This study aims to examine the model of teacher professional development that focuses on optimizing teacher teaching skills in the era of the ASEAN Economic Community and the new normal. Teachers, school principals, and school supervisors in Malang City, Indonesia, and students at the Universitas Negeri Malang became respondents in this study. The research procedure used is the development steps proposed by Baker and Schutz (1971). Data were collected by open and closed questionnaires. The results conclude that the teacher development model developed is effective in order to improve the teaching ability of teachers. Our findings are discussed in the context of teacher professional development to improve teacher teaching skills.