[2] Barratt previously served as the CEO of Atheros from 2003, through its IPO in 2004 until its acquisition by Qualcomm in 2011.

[3] He continued as President of Qualcomm Atheros upon the close of the acquisition in May 2011[4] until early 2013.

Barratt then served as Senior Vice President, Access and Energy, at Google from 2012 until 2016.

[5][6][7] Barratt is the author of BackupPC, an open source backup system.

Barratt is the co-author of a book on Linear Controller Design, which is now freely available online.