# Kees Cook

> American software developer

**Wikidata**: [Q136334364](https://www.wikidata.org/wiki/Q136334364)  
**Source**: https://4ort.xyz/entity/kees-cook

## Summary  
Kees Cook is an American programmer and computer‑security engineer who works for Google. He is known for his contributions to open‑source software and for maintaining a public presence on platforms such as GitHub and the fediverse.

## Biography  
- **Born:** *not provided*  
- **Nationality:** United States  
- **Education:** *not provided*  
- **Known for:** Programming and security engineering, especially in open‑source contexts  
- **Employer(s):** Google (current)  
- **Field(s):** Software development, computer security  

## Contributions  
Kees Cook’s professional activities centre on software development and security engineering. He writes code as a programmer and contributes to security‑focused projects, a role reflected in his public profiles on Launchpad, Ubuntu’s wiki, and his personal fediverse site (https://hachyderm.io/@kees). His GitHub account (username **kees**) hosts a range of repositories that demonstrate his work on open‑source tools and kernel‑level security patches. While specific project titles and dates are not listed in the source material, his ongoing involvement with widely used platforms such as Ubuntu and the Linux kernel indicates a tangible impact on the security posture of major open‑source ecosystems.

## FAQs  
### Q: What is Kees Cook’s primary occupation?  
A: He is a programmer and computer‑security engineer.  

### Q: Which company does Kees Cook work for?  
A: He is employed by Google.  

### Q: Where can I see Kees Cook’s public code contributions?  
A: His GitHub profile (username **kees**) and his Launchpad/Ubuntu wiki pages list his open‑source work.  

## Why They Matter  
Kees Cook’s work bridges commercial software development at a leading tech firm (Google) and the broader open‑source community. By contributing security‑focused code to projects that power millions of devices, he helps harden critical infrastructure against vulnerabilities. His dual role demonstrates how expertise cultivated in a corporate environment can benefit public‑domain software, fostering a more resilient ecosystem for developers and end‑users alike.

## Notable For  
- Programming and security engineering at Google.  
- Active contributions to open‑source projects (e.g., Ubuntu, Linux kernel).  
- Maintaining a public developer presence on GitHub (username **kees**) and the fediverse (hachyderm.io/@kees).  
- Recognized as an English‑speaking software developer in multiple online directories (Launchpad, Crunchbase, LinkedIn).  

## Body  

### Professional Role at Google  
- Holds the title of programmer and computer‑security engineer.  
- Works within Google’s large engineering teams, contributing to the company’s software and security initiatives.  

### Open‑Source Involvement  
- Listed on Launchpad and Ubuntu’s wiki, indicating participation in Linux‑related development.  
- Publishes code under his GitHub handle **kees**, where repositories showcase security patches and utilities.  

### Public Profiles and Outreach  
- Personal website: https://hachyderm.io/@kees (English language).  
- Presence on professional networks: Crunchbase (person ID *kees‑cook*), LinkedIn (profile ID *kees‑cook*).  
- Media and community references include archived speaker profiles for Linux.conf.au 2019.  

### Language and Community  
- English is his primary language for both spoken communication and code documentation.  
- Engages with the broader developer community through talks, wiki contributions, and open‑source collaboration.  

*All information presented is drawn directly from the supplied source material.*

## References

1. [Source](https://launchpad.net/~kees)
2. [Source](https://web.archive.org/web/20250919162200/https://lca2019.linux.org.au/speaker/profile/116/)
3. [Source](https://web.archive.org/web/20250919162807/https://wiki.ubuntu.com/KeesCook)
4. [Source](https://web.archive.org/web/20250919163042/https://lca2022.linux.org.au/speaker/profile/142/)