OpenText has announced the appointment of Mark Barrenechea as president and CEO of the Waterloo, Ontario-based content management software provider, effective as of Jan. 2, 2012. Barranechea, previously president and CEO of Silicon Graphics, replaces John Shackleton, who will retire as executive head of OpenText, and relinquish his seat on its board of directors.

Prior to his positions at OpenText and SGI, Barrenechea served as executive vice president and chief technology officer for Computer Associates, as well as senior vice president of Applications Development at Oracle.

Full Press Release