Cal Henderson

Cal Henderson
Born Callum James Henderson-Begg
17 January 1981 (1981-01-17) (age 35)
Nationality British
Occupation computer programmer, author

Callum James Henderson-Begg (born 17 January 1981), known as Cal Henderson, is a British computer programmer and author based in San Francisco. He was educated at Sharnbrook Upper School and Community College.

He's best known for being the cofounder and CTO of Slack (software), as well as co-owning and developing the online creative community B3ta[1] with Denise Wilton and Rob Manuel; being the chief software architect for the photo-sharing application Flickr[2] (originally working for Ludicorp[3][4] and then Yahoo) and writing the book Building Scalable Web Sites[5] for O'Reilly Media. He's also worked for EMAP[5] and is responsible for writing City Creator[6] among many other websites, services and desktop applications. Cal was the co-founder and VP of engineering at Tiny Speck,[7] the company whose internal tool transitioned into Slack (software).

He is color blind, and has worked on applications to make the web more accessible to the color blind.[8] He is also a frequent contributor to open source software projects and runs a number of utility websites, such as Unicodey, to make certain programming tasks easier.

References

  1. ↑ "Interview with B3ta co-founder Rob Manuel". BBC. August 2005. Retrieved 2007-06-12.
  2. ↑ "About Flickr". Flickr. Retrieved 2007-06-12.
  3. ↑ "The Ludicorp Team". Ludicorp. Archived from the original on 2007-06-10. Retrieved 2007-06-12.
  4. ↑ "The Team: Web Development Lead: Cal Henderson". Ludicorp. Archived from the original on 2004-02-11.
  5. 1 2 "O'Reilly catalog - Building Scalable Web Sites". O'Reilly Media. Retrieved 2007-06-12.
  6. ↑ "City Creator - Yahoo! picks for September 16, 2003". Yahoo!. Retrieved 2007-06-12.
  7. ↑ "Companies > Tiny Speck". Crunchbase.
  8. ↑ Color Vision - by Cal Henderson

External links


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