# Timos Sellis

> researcher, ORCID id # 0000-0002-9067-5639

**Wikidata**: [Q57936540](https://www.wikidata.org/wiki/Q57936540)  
**Source**: https://4ort.xyz/entity/timos-sellis

## Summary
Timos Sellis is a Greek computer scientist and university professor known for his research in database systems and information technology. He has held academic and industry positions at institutions including the National Technical University of Athens, RMIT University, and Meta, and currently serves as Director at Athena Research and Innovation Center.

## Biography
- Born: September 10, 1959, Athens, Greece
- Nationality: Greek
- Education: Ph.D. in Computer Science, University of California, Berkeley (1986); M.S., Harvard University (1983); Diploma, National Technical University of Athens (1982)
- Known for: Research in database systems and information technology
- Employer(s): Athena Research and Innovation Center (Director, since 2022), Meta (2020-2022), Swinburne University of Technology (2016-2020), RMIT University (2013-2016), National Technical University of Athens (1992-2012)
- Field(s): Computer Science, Database Systems, Information Technology

## Contributions
Timos Sellis has made significant contributions to the field of database systems through his academic research and teaching. As a professor at the National Technical University of Athens and later at RMIT University and Swinburne University of Technology, he has educated numerous students in computer science and database technologies. His research has focused on database systems, contributing to the theoretical foundations and practical applications of information management. At Meta, he applied his expertise in database systems to large-scale information processing challenges. As Director of Athena Research and Innovation Center, he leads research initiatives in information, communication, and knowledge technologies, continuing to advance the field through both fundamental research and practical applications.

## FAQs
### Q: What is Timos Sellis's primary area of research?
A: Timos Sellis specializes in database systems and information technology, with a focus on the theoretical foundations and practical applications of information management and data processing.

### Q: Where did Timos Sellis receive his education?
A: Timos Sellis earned his Diploma from the National Technical University of Athens (1982), his M.S. from Harvard University (1983), and his Ph.D. from the University of California, Berkeley (1986).

### Q: What academic positions has Timos Sellis held?
A: Timos Sellis has held professorships at the National Technical University of Athens (1992-2012), RMIT University (2013-2016), and Swinburne University of Technology (2016-2020), and currently serves as Director at Athena Research and Innovation Center.

## Why They Matter
Timos Sellis has made lasting contributions to the field of database systems through his research, teaching, and leadership. His work has helped advance the theoretical foundations of database technology while also training generations of computer scientists who continue to shape the field. Through his academic positions at prestigious institutions and his industry experience at Meta, he has bridged the gap between theoretical research and practical applications. As Director of Athena Research and Innovation Center, he continues to influence the direction of information and communication technology research in Greece and internationally. His mentorship of doctoral students, including notable researchers like Dimitris Papadias and Yannis Theodoridis, has created a lasting academic legacy that extends his impact beyond his own publications.

## Notable For
- Supervised numerous prominent doctoral students who became influential researchers in database systems
- Held professorships at multiple prestigious institutions across three countries
- Served as Director of Athena Research and Innovation Center, a leading research institution in Greece
- Applied database systems expertise at Meta, contributing to large-scale information processing
- Maintained an active research career spanning over three decades in academia and industry

## Body
### Academic Career and Research Focus
Timos Sellis built his academic career around database systems research, beginning with his doctoral studies at UC Berkeley under advisor Michael Stonebraker, a pioneer in database research. His work has spanned theoretical foundations of database systems, query processing, and information management. At the National Technical University of Athens, he established himself as a leading researcher in the field, publishing extensively and mentoring students who would go on to become prominent researchers themselves.

### Industry Experience and Applied Research
Beyond academia, Sellis gained valuable industry experience at Meta (formerly Facebook), where he applied his database systems expertise to real-world, large-scale information processing challenges. This experience bridged the gap between theoretical research and practical implementation, allowing him to contribute to the development of systems that handle massive amounts of data in production environments.

### Leadership and Mentorship
As Director of Athena Research and Innovation Center since 2022, Sellis leads one of Greece's premier research institutions focused on information, communication, and knowledge technologies. His mentorship has been particularly influential, with doctoral students including Dimitris Papadias, Yannis Theodoridis, and others who have become leaders in their own right. This academic lineage represents a significant contribution to the field's continued development.

### International Academic Presence
Sellis's career demonstrates international mobility and collaboration, with professorships in Greece, Australia (RMIT University and Swinburne University of Technology), and research experience in the United States. This global perspective has enriched his research and teaching, allowing him to contribute to and learn from different academic and industrial contexts.

## Schema Markup
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  "birthDate": "1959-09-10",
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  "alumniOf": [
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## References

1. [Source](https://advancedstudies.cyu.fr/medias/fichier/sellis-cv_1657972647832-pdf)
2. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0002-9067-5639/education/606454)
3. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0002-9067-5639/education/606452)
4. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0002-9067-5639/education/606449)
5. [Source](http://orcid.org/0000-0002-9067-5639)
6. [Source](https://archimedesai.gr/en/leadership/timos-sellis)
7. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0002-9067-5639/employment/606581)
8. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0002-9067-5639/employment/17144449)
9. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0002-9067-5639/employment/12966345)
10. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0002-9067-5639/employment/606580)
11. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0002-9067-5639/employment/606456)
12. Mathematics Genealogy Project
13. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-9067-5639/external-identifiers/405764)
14. [ORCID Public Data File 2020](https://pub.orcid.org/v3.0_rc1/0000-0002-9067-5639/external-identifiers/1509294)
15. [SciGraph](https://scigraph.springernature.com/person.07610643775.18)