Justus studied International Economics & Development at the University of Bayreuth and spent one semester at the Vrije University of Amsterdam. He received his bachelor´s degree in 2015. During his undergraduate studies and before continuing his academic education, he worked as a tutor for Economics and interned in the public sector as well as a consulting company specialized in guiding political decisions. Justus completed his Master Studies in Economics at the University of Tübingen in 2017. As part of these, he participated in the double degree program with the University of Adelaide in Australia. Before joining the CDSE, Justus interned at the ZEW Mannheim in the department for Corporate Taxation & Public Finance.
His research interests include Public Finance, Fiscal Federalism and Public Economics.