# Rafail Ostrovsky

> American cryptographer

**Wikidata**: [Q4339024](https://www.wikidata.org/wiki/Q4339024)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Rafail_Ostrovsky)  
**Source**: https://4ort.xyz/entity/rafail-ostrovsky

## Summary
Rafail Ostrovsky is an American cryptographer, computer scientist, and university teacher. He is known for his foundational contributions to cryptography and his visionary work in computer security theory and practice, particularly in foreseeing and addressing cloud vulnerabilities. Ostrovsky is a distinguished professor at the University of California, Los Angeles, and a recipient of prestigious honors including the W. Wallace McDowell Award and an ACM Fellowship.

## Biography
- Born: 1963-01-28
- Nationality: United States
- Education:
    - Doctor of Philosophy in computer science from Massachusetts Institute of Technology (1992)
    - Master of Science in computer science from Boston University (1987)
    - Bachelor of Science in mathematics from University at Buffalo (1984)
- Known for: Contributions to the foundations of cryptography and computer security theory and practice.
- Employer(s):
    - University of California, Los Angeles (since 2003)
    - Core Competence (research scientist, 1995-2003)
- Field(s): Cryptography, computer science, algorithm.

## Contributions
Rafail Ostrovsky has made significant contributions to the fields of cryptography and computer security. His work is particularly noted for its "visionary contributions to computer security theory and practice, including foreseeing new cloud vulnerabilities and then pioneering corresponding novel solutions," which earned him the W. Wallace McDowell Award in 2022. He has also been recognized for his "contributions to the foundations of cryptography," leading to his induction as an ACM Fellow in 2021.

As a distinguished professor at the University of California, Los Angeles since 2003, Ostrovsky has shaped the next generation of computer scientists and cryptographers. He has served as the director of the UCLA Center for Information and Computation Security since 2003 and was appointed to the Norman E. Friedmann Chair in Knowledge Sciences in 2022. His extensive mentorship includes advising numerous doctoral students such as Jonathan Katz, Brett Hemenway, Paul Bunn, Steve Lu, William E. Skeith III, Nishanth Chandran, Will Rosenbaum, Abhishek Jain, Vassilis Zikas, Hakan Seyalıoğlu, and Vladimir Braverman, many of whom have become computer scientists themselves.

## FAQs
### Q: What is Rafail Ostrovsky known for?
A: Rafail Ostrovsky is an American cryptographer and computer scientist known for his foundational contributions to cryptography and visionary work in computer security theory and practice. He has been recognized for foreseeing cloud vulnerabilities and developing novel solutions.

### Q: Where does Rafail Ostrovsky work?
A: Rafail Ostrovsky is a distinguished professor in the UCLA Department of Computer Science and the UCLA Department of Mathematics, and is also affiliated with the UCLA Samueli School of Engineering, since 2003. He also directs the UCLA Center for Information and Computation Security.

### Q: What awards has Rafail Ostrovsky received?
A: Rafail Ostrovsky has received several prestigious awards, including the W. Wallace McDowell Award (2022), being named an ACM Fellow (2021), an IACR Fellow (2013), and a Fellow of the American Association for the Advancement of Science (2021).

### Q: What is Rafail Ostrovsky's academic background?
A: Rafail Ostrovsky earned his Ph.D. in computer science from the Massachusetts Institute of Technology in 1992. He also holds an M.S. in computer science from Boston University (1987) and a B.S. in mathematics from the University at Buffalo (1984).

### Q: Who was Rafail Ostrovsky's doctoral advisor?
A: Rafail Ostrovsky's doctoral advisor was Silvio Micali, an Italian-American computer scientist and cryptographer.

## Why They Matter
Rafail Ostrovsky's work has profoundly impacted the fields of cryptography and computer security, making him a pivotal figure in the development of secure communication techniques and robust digital systems. His foresight in identifying and addressing emerging cloud vulnerabilities has been critical in an increasingly interconnected world, providing foundational solutions that enhance the security landscape. As a distinguished professor and director of a key research center at UCLA, he has not only advanced the theoretical and practical aspects of his field but has also cultivated a new generation of experts. His mentorship of numerous doctoral students, many of whom have become accomplished computer scientists, underscores his lasting influence on academic and industrial research. The multitude of prestigious awards he has received, including the W. Wallace McDowell Award and ACM Fellowship, attest to the high regard for his innovative research and its significant, enduring contributions to the scientific community and society at large.

## Notable For
*   Recipient of the W. Wallace McDowell Award in 2022 for visionary contributions to computer security theory and practice.
*   Named an ACM Fellow in 2021 for his foundational contributions to cryptography.
*   Recognized as an IACR Fellow in 2013 for his work in cryptography.
*   Holds the Norman E. Friedmann Chair in Knowledge Sciences at UCLA since 2022.
*   Director of the UCLA Center for Information and Computation Security since 2003.

## Body

### Personal Background and Education
Rafail Ostrovsky was born on January 28, 1963. He became a citizen of the United States in 1986. His academic journey began at the University at Buffalo, where he earned a Bachelor of Science degree in mathematics in 1984. He then pursued a Master of Science in computer science from Boston University, completing it in 1987. Ostrovsky culminated his formal education with a Doctor of Philosophy in computer science from the Massachusetts Institute of Technology in 1992, where he was advised by the renowned computer scientist Silvio Micali.

### Professional Career and Academic Appointments
Ostrovsky started his professional career as a research scientist at Core Competence, serving from 1995 to 2003. In 2003, he joined the University of California, Los Angeles (UCLA), where he has held significant academic positions. He is a professor and distinguished professor in both the UCLA Department of Computer Science and the UCLA Department of Mathematics. Additionally, he is affiliated with the UCLA Samueli School of Engineering. Since 2003, he has directed the UCLA Center for Information and Computation Security. In recognition of his expertise and contributions, he was appointed to the Norman E. Friedmann Chair in Knowledge Sciences on July 1, 2022.

### Research and Contributions to the Field
Rafail Ostrovsky's primary fields of work encompass cryptography, computer science, and algorithms. His research is widely acknowledged for its foundational impact on cryptography, focusing on secure communication techniques. He is particularly lauded for his visionary contributions to computer security theory and practice, which include anticipating new vulnerabilities in cloud computing environments and subsequently developing innovative solutions to address them. His work has significantly advanced the understanding and implementation of secure systems.

### Awards and Recognition
Ostrovsky has received numerous prestigious awards and fellowships throughout his career:
*   **IACR Fellow (2013):** Recognized for his significant contributions to cryptography.
*   **Fellow of the American Association for the Advancement of Science (2021):** Acknowledged for his scientific achievements.
*   **ACM Fellow (2021):** Honored for his foundational contributions to cryptography.
*   **W. Wallace McDowell Award (2022):** Awarded for his visionary contributions to computer security theory and practice, specifically for foreseeing cloud vulnerabilities and pioneering novel solutions.

### Doctoral Students
As a dedicated educator and mentor, Rafail Ostrovsky has advised a substantial number of doctoral students who have gone on to become computer scientists. His doctoral students include:
*   Jonathan Katz
*   Vassilis Zikas
*   Brett Hemenway
*   Paul Bunn
*   Steve Lu
*   William E. Skeith III
*   Nishanth Chandran
*   Hakan Seyalıoğlu
*   Vladimir Braverman
*   Will Rosenbaum

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## References

1. [Source](https://web.cs.ucla.edu/~rafail/)
2. [Source](http://web.cs.ucla.edu/~rafail/)
3. [Source](https://www.iacr.org/fellows/2013/ostrovsky.html)
4. [Source](https://web.archive.org/web/20220311133847/https://www.aaas.org/page/2021-fellows)
5. [Source](https://www.computer.org/volunteering/awards/mcdowell)
6. [Source](https://www.acm.org/media-center/2022/january/fellows-2021)
7. Mathematics Genealogy Project
8. [Source](https://samueli.ucla.edu/ucla-professor-rafail-ostrovsky-appointed-norman-e-friedmann-chair/)
9. [Source](https://golden.com/wiki/Rafail_Ostrovsky-X86EW3)
10. curriculum vitae