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Kristinn Gudjonsson used to be a team leader of information security at Skyggnir/TM Software/TM Infrastructure Management/Nyherji (same company, many different names), one of Iceland's largest hosting providers, before joining Google to be part of their IR team.
Kristinn holds a M.Sc. degree in computer engineering from INT (Institut National des Telecommunications) in Paris as well as a B.Sc. degree in electrical and computer engineering from the University of Iceland.
There is a blog out there blog.kiddaland.net that is mostly not updated, and occasional blog posts on the SANS Forensics blog.
He also likes to maintain his small open-source tool, log2timeline, a framework for extracting timestamps from various files.