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Personal profile

Research interests

Marios Kremantzis serves as a Lecturer (Assistant Professor) in Business Analytics and holds the role of Programme Director for MSc Business Analytics at the University of Bristol. With a Ph.D. in Management Science from the University of Southampton, Marios specializes 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, RAIRO-Operations Research, Agriculture, Supply Chain Analytics, and IJFSD. Marios has also organized special sessions for esteemed conferences such as those by the UK's Operational Research Society, IFORS, DEA45, and the Athens Institute for Education and Research. He participated in prominent international conferences and workshops across the UK, Greece, and South Korea during his doctoral studies, which received funding from the Engineering and Physical Sciences Research Council and BAE Systems.

Moreover, Marios is the Founder and Chair of the "OR, Analytics & Education" SIG within the OR Society. He is a Fellow of the Higher Education Academy (FHEA) and has been appointed as a National Representative on the General Council of the UK's The OR Society! He is honored to take on a pivotal role in the Education sub-committee of this Board. Renowned for innovative teaching methods and authentic assessment practices, including the use of a Chatbot and Team-Based Learning, he was honored with the "Inspiring and Innovative Teaching Award" at the 2023 Bristol Teaching Awards and received nominations for the same award in 2022, along with the "Outstanding Personal Tutoring Award." His exceptional contributions to teaching led to recognition from the University of Southampton with the "Doctoral College Director's Award 2021," commending his efforts in both physical and online teaching environments. Additionally, Marios acts as the Guest Editor for two Special Issues on enhancing student engagement through Artificial Intelligence and text generators (ChatGPT) 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.

External positions

External Examiner, Leeds Beckett University

Sept 2022 → …

External Examiner, University of Northampton

Sept 2022 → …

Structured keywords and research groupings

  • MGMT Operations and Management Science


  • Management Science
  • Operations Research
  • Data Envelopment Analysis
  • Network Data Envelopment Analysis
  • Efficiency Measurement
  • Multi-criteria Decision Making
  • Employability
  • AI & Student Engagement


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