Matt joined Google as a Software Engineer in January 2000. Before Google, he was working on his Ph. in computer graphics at the University of North Carolina at Chapel Hill. He has an MS from UNC-Chapel Hill, and BS degrees in both mathematics and computer science from the University of Kentucky. His publications include a SIGGRAPH paper on the "Office of the Future" and journal papers on object recognition in compressed imagery.
Matt wrote SafeSearch, which is Google's family filter. Besides Google, Matt held a top-secret clearance while working for the Department of Defense, and he has also worked at a game engine company. He claims that Google is the most fun by far. You can find more info at http://www.cs.unc.edu/~cutts/