About Mariusz Mariusz has been working at Google since 2007. He is responsible for business development of Google performance products in Central and Eastern Europe and advising biggest Google clients in CEE region. He is one of the most renowned experts in Poland on the use of performance marketing, web analytics, and search engine marketing. Mariusz is a lecturer at the most prestigious university in Poland, Warsaw School of Economics. He also runs a blog about Performance marketing in Poland www.ittechnology.us. He is an author of many books and publications about performance solutions and a founder of the biggest search engine marketing community/conference in Poland, SEMcamp. Experience Mariusz experience encompasses Performance Marketing, growth strategies for companies (with focus on acquisition and export strategies), and using data insights to grow business.