Ryen W. White leads Cortana Research, the applied research organization for Microsoft Cortana. His research is focused on understanding search interaction and on developing tools to help people search more effectively. White's doctoral research received the British Computer Society's Distinguished Dissertation Award. He recently received the Karen Spärck Jones Award for contributions to information retrieval. White's research is featured in many Microsoft products. His book 'Interactions with Search Systems' won the 2017 ASIST Book of the Year Award.