Tobias Feldhoff is full professor for education science. He is head of the Center for School Improvement and School Effectiveness Research (SENSE) and chair of the Center for Research on School, Education and Higher Education (ZSBH) at the Johannes Gutenberg University Mainz. He is also co-coordinator of the Special Interest Group Educational Effectiveness and Improvement of the European Association for Research on Learning and Instruction (EARLI). His research topics are school improvement, school effectiveness, educational governance and the link between them. One focus of his work is to develop designs and find methods to better understand school improvement processes, their dynamics and effects. He is also interested in an organisation-theoretical foundation of school improvement.