Natalia Pritykovskaya has graduated from the Saint-Petersburg State University in 2012, department of Applied Mathematics and Statistics. At the moment Natalia is a senior machine learning software developer in Odnoklassniki LTD, which is the largest social network in Russia. Natalia has more than 6 years experience in data science and big data in companies like Yandex and Mail.ru Group. Natalia’s specialization is application of big data and data science in social networks and internet advertising. Natalia has been teaching big data in MIPT and Peter the Great St. Petersburg Polytechnic University.