Ruslan Belkin is a Sr. Director of Engineering, Search and Relevance @ TwitterSenior technology leader and a geek, passionate about building great products and outstanding engineering teams who create them. Member of an early LinkedIn engineering team that made it happen.Web 2.0, large-scale distributed systems, information retrieval, natural language processing, machine learning, communication products, search, email and news feeds, agile software development, engineering management and coding when I get a free minute