Peter Lammer co-founded Sophos in 1985. He continues to serve on the board of directors.
He was Managing Director of Sophos from 1985 to 2000. As joint Chief Executive Officer from 2000 to 2005, he was responsible for strategy, recruitment, operations and infrastructure.
Peter graduated in engineering science at University of Warwick, and received a Ph.D in control theory from the University of Oxford.