# Eli Upfal

> Israeli computer scientist

**Wikidata**: [Q5360336](https://www.wikidata.org/wiki/Q5360336)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Eli_Upfal)  
**Source**: https://4ort.xyz/entity/eli-upfal

## Summary
Eli Upfal is an Israeli computer scientist known for his contributions to parallel and stochastic networks, particularly the "power of two choices" concept. He is a researcher at Brown University and has received awards including the ACM Fellow and Paris Kanellakis Award.

## Biography
- Born: July 29, 1954
- Nationality: Israel
- Education: Ph.D. from Hebrew University of Jerusalem, advised by Eli Shamir
- Known for: Discovering the "power of two choices" in load balancing and stochastic networks
- Employer(s): Brown University
- Field(s): Theoretical computer science, algorithms, distributed systems

## Contributions
Eli Upfal has made significant contributions to theoretical computer science, particularly in the analysis of parallel and stochastic networks. His most notable work includes the discovery of the "power of two choices," a principle that demonstrates how selecting between two options can significantly improve load balancing in distributed systems. This concept has extensive applications in practice, influencing the design of modern systems. Upfal has also mentored several doctoral students, including Gopal C. Pandurangan and Aris Anagnostopoulos, contributing to the advancement of the field. His research has been widely recognized, earning him prestigious awards such as the ACM Fellow and the Paris Kanellakis Award.

## FAQs
### Q: What is Eli Upfal known for?
A: Eli Upfal is known for his work on the "power of two choices" in load balancing and stochastic networks, which has significant applications in distributed systems.

### Q: Where did Eli Upfal earn his Ph.D.?
A: Eli Upfal earned his Ph.D. from the Hebrew University of Jerusalem, advised by Eli Shamir.

### Q: What awards has Eli Upfal received?
A: Eli Upfal has received the ACM Fellow award and the Paris Kanellakis Award for his contributions to computer science.

### Q: Who are some of Eli Upfal's doctoral students?
A: Some of Eli Upfal's doctoral students include Gopal C. Pandurangan and Aris Anagnostopoulos.

## Why They Matter
Eli Upfal's work on the "power of two choices" has had a profound impact on the field of theoretical computer science and distributed systems. His research has provided a fundamental principle that improves load balancing, which is crucial for the efficiency of modern computing systems. Upfal's contributions have influenced the design of various algorithms and systems, making them more robust and scalable. His mentorship of numerous doctoral students has also played a significant role in advancing the field. Upfal's work continues to be referenced and built upon, ensuring his legacy in computer science.

## Notable For
- Discovered the "power of two choices" principle in load balancing
- Received the ACM Fellow award for contributions to parallel and stochastic networks
- Mentored several influential doctoral students, including Gopal C. Pandurangan
- Awarded the Paris Kanellakis Award for the discovery of balanced allocations
- Contributed to the advancement of theoretical computer science and distributed systems

## Body
### Early Life and Education
Eli Upfal was born on July 29, 1954. He earned his Ph.D. from the Hebrew University of Jerusalem, where he was advised by Eli Shamir. His educational background laid the foundation for his subsequent contributions to computer science.

### Research and Discoveries
Upfal's most significant contribution is the "power of two choices" principle, which demonstrates how selecting between two options can significantly improve load balancing in distributed systems. This concept has extensive applications in practice, influencing the design of modern systems. His research has been widely recognized and has had a lasting impact on the field.

### Awards and Recognition
Eli Upfal has received numerous awards and honors for his work, including the ACM Fellow award and the Paris Kanellakis Award. These awards acknowledge his significant contributions to computer science and his influence on the field.

### Mentorship and Influence
Upfal has mentored several influential doctoral students, including Gopal C. Pandurangan and Aris Anagnostopoulos. His mentorship has played a crucial role in advancing the field of theoretical computer science.

### Professional Affiliations
Eli Upfal is a researcher at Brown University. His professional affiliations and contributions have solidified his reputation as a leading figure in computer science.

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## References

1. Virtual International Authority File
2. [Source](https://awards.acm.org/award-recipients/upfal_5076278)
3. Mathematics Genealogy Project
4. International Standard Name Identifier
5. CiNii Research
6. [Source](https://awards.acm.org/fellows/award-recipients)
7. BnF authorities
8. IdRef
9. National Library of Israel Names and Subjects Authority File