Sergey Berezhnoy
Developer Relations Director, Yandex
In Yandex since 2005. He has worked on search, email, blog search, the Ya.ru platform, images, videos, internal tools and many other services in various roles. He actively develops technologies and tools for building websites. One of the two co-authors of the BEM methodology. Leads the Interface Design School at Yandex. Lately he has been working on issues of usability development, hiring and training.