The author believes teacher education is located on the borderline of both teaching and research. In the following, the author will explain this statement, reviewing teacher educators’ vulnerabilities in each role. Finally, she will claim that this borderline position has a potential of becoming a resource for innovation. The author argues that teacher educators can be brokers of change. Located at the border between teaching, research and policymaking, they have the opportunity to be part of each profession, experiencing the other two’s perspectives, expectations and criticism.