My research focuses on information retrieval and natural language processing. In particular, conversational search and agent systems.
I'm one of the organizers for the TREC Complex Answer Retrieval (CAR) track, focused on complex question answering.
I'm currently acceping PhD students, if you're interested please contact me.
Previously, worked at Google in the Machine Intelligence research group. My research focused on relation extraction for knowledge graph completion, health knowledge discovery, and response ranking in the Google Assistant.