Michael Tiemann

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Michael Tiemann at MySQL Conference 05 in 2005 Michael Tiemann.jpg
Michael Tiemann at MySQL Conference 05 in 2005

Michael Tiemann is an American software developer and executive, who served as CTO at Red Hat [1] and later vice-president of open source affairs beginning in 2004. [2] [3] He is also a former President of the Open Source Initiative. [4]

Contents

Biography

He earned a bachelor's degree from the Moore School of Electrical Engineering in 1986 at the University of Pennsylvania. [5]

He co-founded Cygnus Solutions in 1989 [6] [7] and sold it to Red Hat for $697 million in 1999. [8] His programming contributions to free software include authorship of the GNU C++ compiler and work on the GNU C compiler and the GNU Debugger. [9] Tiemann is featured in the 2001 documentary Revolution OS. [10] Opensource.com profiled him in 2014, calling him one of "open source's great explainers." [11]

He was the chief technical officer of Red Hat. [12] He served on a number of boards, including the Embedded Linux Consortium, [13] the GNOME Foundation advisory board, [14] and the board of directors of ActiveState Tool Corp. [15]

References

  1. "Red Hat Names Michael Tiemann Chief Technical Officer". www.redhat.com. 2000-01-12. Retrieved 2025-10-10.
  2. "Michael Tiemann - METL Advisor". www.uncsa.edu. Retrieved 2025-10-10.
  3. Tiemann, Michael. "Home page for Michael Tiemann". Archived from the original on 2002-01-03. Retrieved 2015-02-21.
  4. "Thank you, Michael Tiemann! | Open Source Initiative". opensource.org.
  5. "Interview with Red Hat Vice President, Open Source Affairs - Michael Tiemann". www.linuxquestions.org.
  6. "FORTUNE VISITS 25 COOL COMPANIES: What has the computer revolution done for us lately?". money.cnn.com. September 27, 1993. Archived from the original on 2023-08-15.
  7. Tiemann, Michael (March 29, 1999). "Open Sources: Voices from the Open Source Revolution". 1-56592-582-3.
  8. Staff, N. P. R. (2012-10-29). "Want To Be Rich? Be Lucky, Know The Right People". NPR. Retrieved 2025-10-10.
  9. Stallman, Richard M. (February 1988). "GNUs Flashes, February 1988". GNU's Bulletin.
  10. "About". Revolution OS.
  11. Behrenshausen, Bryan (August 5, 2014). "How to think like open source pioneer Michael Tiemann". Opensource.com. Retrieved December 19, 2015.
  12. "Red Hat Executive Team". Red Hat. Archived from the original on 2003-10-03.
  13. "Red Hat CTO Michael Tiemann Appointed to Embedded Linux Consortium Board of Directors" (Press release). Red Hat. June 21, 2000.
  14. Veillard, Daniel (2003-03-13). "Minutes of the GNOME Board meeting March 11 2003". foundation-announce (Mailing list). Retrieved 2015-02-21.
  15. "NY VC funds ActiveState" (Press release). ActiveState. 2000-09-25. ActiveState Board Member and Red Hat CTO Michael Tiemann