Julian Seward

Julian Seward
Born	September 1968 [1]
Known for	bzip2, valgrind

Julian Seward is a British compiler writer and Free Software contributor who lives in Stuttgart. ^[1] He is commonly known for creating the bzip2 compression tool in 1996, as well as the valgrind memory debugging toolset founded in 2000. In 2006, he won a second O'Reilly Open Source Award for his work on Valgrind. As of 2009 ^[update] , Seward worked at Mozilla. ^[2]

Contributions

• bzip2 (1996), a data compressor
• cacheprof (1999), a tool for locating the sources of D-cache misses
• Valgrind, a memory debugger

Awards

• July 2006 – Julian Seward won a Google-O'Reilly Open Source Award for "Best Toolmaker" for his work on Valgrind

References

1. "Julian Seward". UK Companies House. Archived from the original on 3 April 2017. Retrieved 26 August 2025.
2. Sayre, Rob (1 June 2009). "Rob Sayre's Mozilla Blog". Mozilla Corporation . Archived from the original on 18 February 2011. Retrieved 26 August 2025.

External links

• Interview with Valgrind Author Julian Seward on techrepublic.com, January 2004.
• Interview with Valgrind Author Julian Seward on kde.org, February 2006.