Michael Tiemann is an American software developer and executive, serving[when?] as vice president of open source affairs at Red Hat, Inc.,[1][2] and former President of the Open Source Initiative.[3]
He earned a bachelor's degree from the Moore School of Electrical Engineering in 1986 at the University of Pennsylvania.[4]
He co-founded Cygnus Solutions in 1989.[5][6] His programming contributions to free software include authorship of the GNU C++ compiler and work on the GNU C compiler and the GNU Debugger.[7] Tiemann is featured in the 2001 documentary Revolution OS.[8] Opensource.com profiled him in 2014, calling him one of "open source's great explainers."[9]
He was the chief technical officer of Red Hat.[10] He served on a number of boards, including the Embedded Linux Consortium,[11] the GNOME Foundation advisory board,[12] and the board of directors of ActiveState Tool Corp.[13]
ActiveState Board Member and Red Hat CTO Michael Tiemann