# Chai Keong Toh

> Singaporean computer scientist, engineer and industry director

**Wikidata**: [Q14946929](https://www.wikidata.org/wiki/Q14946929)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Chai_Keong_Toh)  
**Source**: https://4ort.xyz/entity/chai-keong-toh

## Summary
Chai Keong Toh is a Singaporean computer scientist, engineer, and industry director. He is best known for his pioneering contributions to communication protocols in ad hoc mobile wireless networks, for which he received the IEEE Kiyo Tomiyasu Award. He is an elected Fellow of several major scientific organizations, including the IEEE and the American Association for the Advancement of Science.

## Biography
- **Born:** 1965, Singapore
- **Nationality:** Singaporean
- **Education:**
    - Doctor of Philosophy (PhD) in Computer Science, University of Cambridge (1996)
    - King's College
    - University of Manchester Institute of Science and Technology (UMIST)
- **Known for:** Pioneering contributions in communication protocols for ad hoc mobile wireless networks
- **Employer(s):** National Tsing Hua University, University of California, Berkeley, Singapore Power
- **Field(s):** Computer Science, Engineering

## Contributions
Chai Keong Toh has made significant contributions to the field of computer science, specifically within the industrial and service sectors. His primary body of work focuses on the development and advancement of communication protocols for ad hoc mobile wireless networks. In recognition of these technical achievements, he was awarded the **IEEE Kiyo Tomiyasu Award** in 2005. The award citation noted his "pioneering contributions" to this specialized field.

Beyond his research, Toh has held academic and industry positions. He has served as a researcher and faculty member at the **University of California, Berkeley**, and **National Tsing Hua University**. Additionally, he has contributed to the industrial sector through his role as an industry director at **Singapore Power**. His academic background includes a rigorous education in computer science, completing his doctorate at the University of Cambridge under the supervision of David James Greaves.

## FAQs
### Q: What is Chai Keong Toh famous for?
A: He is famous for his pioneering work on communication protocols for ad hoc mobile wireless networks. He received the IEEE Kiyo Tomiyasu Award in 2005 for these contributions.

### Q: What awards has Chai Keong Toh received?
A: He has received the IEEE Kiyo Tomiyasu Award (2005). He is also a Fellow of the IEEE, the American Association for the Advancement of Science (AAAS), the British Computer Society, and the Institution of Engineering and Technology.

### Q: Where did Chai Keong Toh receive his education?
A: He received his Doctor of Philosophy in Computer Science from the University of Cambridge in 1996. He also studied at King's College and the University of Manchester Institute of Science and Technology.

## Why They Matter
Chai Keong Toh matters to the field of telecommunications and computer engineering because of his early and recognized advancements in ad hoc mobile wireless networks. Ad hoc networks are crucial for modern communication scenarios where fixed infrastructure is unavailable or unreliable, such as in disaster recovery, military operations, and sensor networks. Being awarded the IEEE Kiyo Tomiyasu Award in 2005 places him among a select group of engineers recognized for exceptional early to mid-career contributions. His election as a Fellow to the AAAS, IEEE, BCS, and IET further solidifies his standing as a leader who has bridged the gap between theoretical computer science and practical engineering applications. His career trajectory, moving from doctoral research at Cambridge to roles at UC Berkeley and industry leadership at Singapore Power, demonstrates a broad impact across academia and the energy sector.

## Notable For
- Receiving the **IEEE Kiyo Tomiyasu Award** in 2005 for contributions to ad hoc mobile wireless networks.
- Being elected a **Fellow of the IEEE** in 2009.
- Serving as a **Fellow of the American Association for the Advancement of Science** (AAAS) in 2009.
- Holding a PhD from the **University of Cambridge** (1996).
- Maintaining a career spanning academia (UC Berkeley, National Tsing Hua University) and industry (Singapore Power).

## Body
### Background and Education
Chai Keong Toh was born in Singapore in 1965. He pursued a higher education in the United Kingdom, attending the University of Manchester Institute of Science and Technology (UMIST) and King's College. He subsequently enrolled at the University of Cambridge, where he earned his Doctor of Philosophy (PhD) in Computer Science in 1996. His doctoral advisor was David James Greaves.

### Career Appointments
Toh has held significant positions in both academia and industry. His academic affiliations include:
-   **University of California, Berkeley**
-   **National Tsing Hua University**

In the industrial sector, he has served as an industry director for **Singapore Power**.

### Awards and Recognition
Toh has received widespread recognition for his work in communication protocols.
-   **2005:** Received the **IEEE Kiyo Tomiyasu Award** for "pioneering contributions in communication protocols for ad hoc mobile wireless networks."
-   **2009:** Elected **Fellow of the IEEE** for "contributions to communication protocols in ad hoc mobile wireless networks."
-   **2009:** Elected **Fellow of the American Association for the Advancement of Science**.
-   He also holds Fellowships with the **British Computer Society** and the **Institution of Engineering and Technology**.

### Identifiers
Toh maintains profiles in several academic and library databases, including:
-   **ISNI:** 000000008348483X
-   **VIAF ID:** 117596091
-   **Google Scholar ID:** YTwSsH4AAAAJ
-   **IEEE Xplore Author ID:** 37271383400

## References

1. Mathematics Genealogy Project
2. [Source](https://its.berkeley.edu/people/chai-k-toh)
3. [Source](https://services27.ieee.org/fellowsdirectory/keywordsearch.html)
4. [Source](https://www.aaas.org/fellows/historic?field_last_name_value=All&field_year_elected=2009&page=19)
5. [Source](https://www.ieee.org/content/dam/ieee-org/ieee/web/org/about/awards/recipients/tomiyasu-rl.pdf)
6. Virtual International Authority File
7. National Library of Israel Names and Subjects Authority File