Dr. Bas Ader finished her PhD at Middle East Technical University in 2014. She investigated teachers’ noticing of students’ mathematical thinking in the context of a professional development program based on principles of Models and Modeling Perspective. During her PhD, she worked in a three-year research project funded by the Scientific and Technological Research Council of Turkey, titled "Mathematical Modeling in Secondary Mathematics Education: Pre-service and In-service Teacher Education". She started her postdoctoral research on teachers’ ability of decentering when teaching as a visiting researcher at Arizona State University in 2016. Dr. Bas Ader’s main research areas are teacher education, teacher professional development, and mathematical modeling in mathematics education.