- June 2021 - Today: Aristotle University of Thessaloniki, Thessaloniki, 54124, Greece Department of Mathematics (Associate Professor)
- August 2017 - June 2021: The Ohio State University, Columbus, Ohio, 43210-1174, USA Department of Mathematics (Lecturer)
- August 2014 - August 2017: The Ohio State University, Columbus, Ohio, 43210-1174, USA Department of Mathematics (Ross Assistant Professor)
- June 2011 - September 2011: University of Houston, Houston, Texas, 77204-3008, USA Department of Mathematics (Short-Term Research Scholar)