Michael Barr (software engineer)
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Michael Barr is a software engineer specializing in software design for medical devices and other embedded systems. He is a past editor-in-chief of Embedded Systems Design magazine and author of three books and more than seventy articles about embedded software.
Barr has often worked as an expert witness, including testifying in the Toyota Sudden Unintended Acceleration litigation. In October 2013, after reviewing Toyota's source code as part of a team of seven engineers, he testified in a jury trial in Oklahoma that led to a "guilty by software defects" finding against Toyota. There are several technical articles that discuss the various electronic throttle control defects he testified were linked to unintended acceleration that caused deaths in Toyota Camry vehicles.   
Earlier in his career, Barr testified as an expert witness in the DirecTV anti-piracy end user litigation, which involved over 25,000 end users. He has also worked as a testifying expert witness in other high-profile litigation involving software, such as [clarification needed] and in a copyright dispute about EA's early Madden Football video game source code.
Barr began his career working as an embedded programmer at Hughes Network Systems, where he wrote software for products including the first-generation Hughes-branded DirecTV receiver, which sold in the millions of units. He subsequently wrote embedded software at TSI TelSys, PropHead Development, and Netrino. His three books are Programming Embedded Systems in C with GNU Development Tools, Embedded Systems Dictionary (co-authored by Jack Ganssle), and "Embedded C Coding Standard".
Barr studied electrical engineering at the University of Maryland in College Park, from which he earned a Bachelor of Science degree in 1994 and a Master of Science degree in 1997. From 2000-2002, he taught ENEE 447 Operating Systems Theory as an adjunct professor in the same Department of Electrical and Computer Engineering.
- Leopold, George (2012-05-03). "Struggle Continues to Plug Embedded Programming Gap". EE Times. Retrieved 2012-06-03.
- "Embedded Systems Design Magazine Editorial Contacts - Michael Barr". Embedded. Archived from the original on November 10, 2006. Retrieved 2007-04-21.
- "Michael Barr - Biography". O'Reilly Media, Inc. Retrieved 2007-04-21.
- "Google Scholar". Retrieved 2013-06-13.
- "Toyota Attacks Alleged Evidence of Accelerator Software Bug". Retrieved 2013-09-20.
- Dunn, Michael (2013-10-28). "Toyota's killer firmware: Bad design and its consequences". EDN. Retrieved 2013-11-25.
- Yoshida, Junko (2013-10-29). "Toyota Trial: Transcript Reveals 'Task X' Clues". EE Times. Retrieved 2013-11-25.
- Yoshida, Junko (2013-10-25). "Toyota Case: Single Bit Flip That Killed". EE Times. Retrieved 2013-11-25.
- "Curriculum Vitae of Michael Barr" (PDF). Retrieved 2012-06-03.
- "EA Can't Sink 'Madden' Royalties Suit in Jury Trial". Retrieved 2013-06-22.
- "Michael Barr Expert Witness Resume" (PDF). Retrieved 2011-09-14.
- "Programming Embedded Systems in C with GNU Development Tools". Retrieved 2011-03-16.
- "Embedded Systems Dictionary". Retrieved 2011-03-16.
- "Embedded C Coding Standard". Retrieved 2011-03-16.
- Barr Code blog
- Barr Group website
- Embedded Systems Design magazine (formerly Embedded Systems Programming)
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