Denis is a Research Engineer at Facebook AI Research. His research interest is to develop intelligent agents that can communicate with people and perform useful tasks, with the ultimate goal to liberate people from the burden of mundane routines. In particular, he's focusing on advancing fields of Natural Language Processing and Reinforcement Learning.
Before joining Facebook AI Research Denis led a Machine Learning team at Quora, and prior that he worked on the ranking and relevance problems at Bing, Microsoft. Link