Matt Cutts is one of the Google principal experts in the area of search engine optimization. Mr. Cutts also specialized on detecting web-spam. Has a personal blog dedicated to Google, Gadgets and Search Optimization.
Matt Cutts is presently the head of Google Webspams Team. Before that he worked as a software Engineer and also he worked on search quality and webspams at google. He wrote the first version of safe search which is a Google's family filter.