# Erol Gelenbe

> Turkish-French computer scientist (born 1945)

**Wikidata**: [Q15462580](https://www.wikidata.org/wiki/Q15462580)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Erol_Gelenbe)  
**Source**: https://4ort.xyz/entity/erol-gelenbe

## Summary
Erol Gelenbe is a Turkish-French computer scientist known for his pioneering work in computer networking and performance evaluation. He has held professorships at institutions including Imperial College London, Duke University, and the University of Paris, and is a Fellow of the Association for Computing Machinery.

## Biography
- Born: August 22, 1945, Istanbul, Turkey
- Nationality: Turkish, French
- Education: Middle East Technical University, New York University Tandon School of Engineering
- Known for: Computer networking, performance evaluation, queueing theory
- Employer(s): Imperial College London, Duke University, University of Paris, University of Central Florida, American University of Paris
- Field(s): Computer science, engineering, research, academia

## Contributions
Erol Gelenbe has made fundamental contributions to computer networking and performance evaluation, particularly through his development of the G-network model and contributions to queueing theory. His work has influenced the design and analysis of computer networks, helping to establish theoretical foundations for modern network performance analysis. Gelenbe has published extensively in these areas, with his research being widely cited and applied in both academic and industrial contexts. He has also served as an advisor to numerous doctoral students who have gone on to influential positions in academia and industry.

## FAQs
### Q: What is Erol Gelenbe known for in computer science?
A: Erol Gelenbe is known for his pioneering work in computer networking, particularly the development of G-networks and contributions to queueing theory and performance evaluation of computer systems.

### Q: Where has Erol Gelenbe taught?
A: Erol Gelenbe has taught at Imperial College London, Duke University, University of Paris, University of Central Florida, and the American University of Paris, among other institutions.

### Q: What awards has Erol Gelenbe received?
A: Erol Gelenbe has received numerous awards including ACM Fellow (2001), Commander of the Order of Merit of the Italian Republic (2005), Grand Officer of the Order of the Star of Italian Solidarity (2007), Knight of the Legion of Honour (2014), and the Mustafa Prize (2017).

## Why They Matter
Erol Gelenbe's work has fundamentally shaped how we understand and analyze computer network performance. His G-network model provided a powerful framework for analyzing complex network systems, influencing both theoretical research and practical network design. His contributions to queueing theory have become essential tools in performance evaluation across the computing industry. Through his extensive teaching and mentorship, Gelenbe has influenced generations of computer scientists who continue to advance the field. His work bridges theoretical foundations with practical applications, making complex network systems more predictable and manageable.

## Notable For
- Developed the G-network model, a fundamental contribution to queueing theory
- First Turkish computer scientist to become a Fellow of the ACM
- Recipient of the prestigious Mustafa Prize in 2017
- Supervised over 30 doctoral students who became influential researchers
- Knight of the Legion of Honour for contributions to science and education

## Body
### Early Life and Education
Erol Gelenbe was born on August 22, 1945, in Istanbul, Turkey. He received his early education at El Nasr Boys' School and TED Ankara College Foundation Schools before attending Middle East Technical University. He later completed advanced studies at the New York University Tandon School of Engineering.

### Academic Career
Gelenbe's academic career spans several decades and continents. He served as Professor at Imperial College London, where he led research in computer networking and performance evaluation. At Duke University, he headed the Department of Electrical and Computer Engineering from 1994 to 1998. His French academic career included positions at the University of Paris (1986-1993) and the American University of Paris (1979-1986). He also held professorships at the University of Central Florida (1998-2003 and 1999-2003).

### Research Contributions
Gelenbe's most significant contribution is the development of G-networks (Gelenbe networks), which extended traditional queueing theory to model complex network behaviors including positive and negative customers, triggers, and resets. This work provided new analytical tools for understanding network performance under various conditions. His research has applications in computer networks, manufacturing systems, and biological systems modeling.

### Professional Recognition
Gelenbe's work has earned him membership in prestigious organizations including the Academia Europaea and the French Academy of Technologies. He became an ACM Fellow in 2001 for his contributions to computer system performance evaluation. His international recognition includes being named Commander of the Order of Merit of the Italian Republic and Grand Officer of the Order of the Star of Italian Solidarity.

### Mentorship and Influence
Throughout his career, Gelenbe has supervised numerous doctoral students, including notable researchers like François Baccelli and Brigitte Plateau. His students have gone on to influential positions in academia and industry, extending his impact on the field. His mentorship has helped shape the careers of many computer scientists working in networking and performance evaluation.

### Publications and Impact
Gelenbe has published extensively in his field, with his work being widely cited in academic literature. His research has influenced both theoretical developments and practical applications in computer networking, contributing to the advancement of internet infrastructure and distributed systems.

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## References

1. Who's Who in France
2. [Source](https://orcid.org/0000-0001-9688-2201)
3. BnF authorities
4. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0001-9688-2201/employment/603585)
5. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0001-9688-2201/employment/603589)
6. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0001-9688-2201/employment/603581)
7. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0001-9688-2201/employment/603583)
8. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0001-9688-2201/employment/1633718)
9. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0001-9688-2201/employment/1633712)
10. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0001-9688-2201/employment/1633702)
11. [Source](https://awards.acm.org/award_winners/gelenbe_4447025)
12. [Source](https://awards.acm.org/fellows/award-recipients)
13. [Source](https://www.quirinale.it/onorificenze/insigniti/165072)
14. [Source](https://www.quirinale.it/onorificenze/insigniti/225017)
15. [Journal officiel de la République française. 2014](https://www.legifrance.gouv.fr/affichTexte.do?cidTexte=JORFTEXT000028861183)
16. [Source](https://mustafaprize.org/laureates2017)
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18. [Source](https://intranet-old.unice.fr/vie-institutionnelle/instances-de-gouvernance/conseil-dadministration/pv-releves-de-decisions-deliberations-decisions/2017-seances-du-conseil-dadministration/ca-du-20-septembre-2017/2017-93-honoris-causa-m-gelenbe.pdf)
19. Mathematics Genealogy Project
20. [Source](https://www.theses.fr/1989PA112087)
21. [Source](https://www.theses.fr/1990PA112201)
22. [Source](https://www.theses.fr/1995PA05S002)
23. [Source](https://www.theses.fr/1991PA05S014)
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25. CiNii Research
26. www.ae-info.org
27. [Journal officiel de la République française. 2008](https://www.legifrance.gouv.fr/affichTexte.do?cidTexte=JORFTEXT000018802448)
28. [Source](https://www.theiet.org/impact-society/thought-leadership/expert-panels/uk-computing-research-committee-ukcrc/members-of-ukcrc/ukcrc-members/)
29. SNAC
30. SciGraph