Aleksandr Chuklin is a Software Engineer working on search problems at Google Switzerland. Apart from his projects at Google he is also working with the Information and Language Processing Systems group at the University of Amsterdam on a number of research topics. He received his MSc degree from the Moscow Institute of Physics and Technology in 2012. His main research interests are modeling and understanding user behavior on a search engine result page. Aleksandr has a number of publications on click models and their applications at SIGIR, CIKM, ECIR. He is also PC member of the CIKM and WSDM conferences.