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]
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]
ActiveState Board Member and Red Hat CTO Michael Tiemann