After getting a PhD in theoretical nuclear physics Petrus did a couple of years of postdoctoral research before founding Leiki and developing the core algorithms for Leiki Focus. In 2005 he was placed as a nominee for World Technology Award. Petrus enjoys meeting customers and discussing how to take their business forward. After work he likes running and music ranging from electronic to opera. Leiki provides market-leading solutions for Content Discovery and Data on Audiences and Content. Their customers are publishers, retailers, and advertisers who want to: Show their visitors relevant content across sites, automatically on each page, Understand user interests and increase advertising income with dynamic segments, Maximise traffic and revenues with intelligent content discovery and ad targeting.