Marios Kremantzis serves as a Lecturer (Assistant Professor) in Business Analytics and holds the roles of Programme Director for MSc Business Analytics and that of Senior Tutor at PGT Team at the University of Bristol. With a Ph.D. in Management Science from the University of Southampton (received funding from EPSRC and BAE Systems) Marios specialises in Network Data Envelopment Analysis (DEA).

Marios is a decision scientist whose research focuses on optimisation, DEA, efficiency measurement, and multi-criteria decision analysis. His extensive experience involves constructing and applying mathematical models to extract insights from data and devise practical solutions. Proficient in assessing systems with various network structures using the DEA technique, he has published his work in esteemed journals including Studies in Higher Education, Expert Systems with Applications, Socio-Economic Planning Sciences, Operational Research, Journal of University Teaching & Learning Practice, RAIRO-Operations Research, Agriculture, Supply Chain Analytics, and Precision Agriculture. Marios has organised special sessions for leading international conferences such as those by the UK's OR Society, IFORS, DEA45, and the Athens Institute for Education and Research. He has presented his research work in eminent international conferences and workshops across the UK, Australia, Denmark, South Korea, and Greece.

Marios, Founder and Chair of the "OR, Analytics & Education" SIG within the OR Society, is a Fellow of the Higher Education Academy (FHEA) and a National Representative on the General Council of the UK's OR Society. He plays a key role in the Education sub-committee. Known for innovative teaching, pedagogical research on GenAI and its impact on the transformative role of HE, authentic assessments, and technology integration within and outside classroom (including Chatbot use & Team-Based Learning), he won the "Outstanding Personal Tutor Award" at UoB Business School (2024) and the "Inspiring and Innovative Teaching Award" (2023) at the Bristol Teaching Awards, with multiple nominations across 2021-2024. His teaching excellence was also recognised by the University of Southampton with the "Doctoral College Director's Award" (2021). Marios has served as Lead Guest Editor for Special Issues on AI-enhanced student engagement in "Studies in Higher Education" (ABS3*) and the "Journal of University Teaching and Learning Practice".

PhD Supervision:

Marios demonstrates a keen interest in supervising Ph.D. students who share a fervor for operations research and business analytics. He particularly seeks candidates who possess a strong inclination toward prescriptive analytics, efficiency and productivity measurement (including Network Data Envelopment Analysis), and/or multi-criteria decision-making techniques. If you have a robust foundation in these domains and an eagerness to contribute to cutting-edge research, Marios wholeheartedly encourages you to consider applying under his guidance.