Marios Kremantzis is a Lecturer in Business Analytics at the University of Bristol. In addition to his current position, Marios is a doctoral researcher (viva passed) in Management Science at the University of Southampton. He also holds an MSc in Business Analytics (University of Lancaster) and a BSc in Business Administration (University of Macedonia).

Marios’ research interests lie in the fields of Data Envelopment Analysis (DEA), efficiency measurement, and multi-criteria decision analysis. He has substantial experience in building and applying mathematical programming models to solve real-world problems and make well-argued decisions. He is also competent to evaluate the performance of production and operations systems with network structures under the DEA technique. Thanks to various cross-disciplinary research collaborations, his work has already been published in Expert Systems with Applications and in RAIRO-Operations Research. He has been a referee for a number of prestigious journals such as the Journal of the Operational Research Society and the OR Spectrum. He has also chaired a session for the internationally renowned conference of the Operational Research Society (OR63). During his doctoral studies, he received funding from the EPSRC and the BAE Systems, and he has taken part in internationally renowned conferences in the UK, Greece and South Korea. He is currently acting as the Lead Guest Editor of the special issue titled “Fairness in the evaluation and ranking of DMUs within network DEA structures” in Mathematical Modelling and Applications.

Marios is also a member of the Operational Research Society and a Fellow of the Higher Education Academy (FHEA). He has been nominated for 2022’s Bristol Teaching Awards in the categories: “Inspiring and Innovative Teaching Award – Individual” and “Outstanding Personal Tutoring Award – Individual”.