I am a General Manager at Microsoft Research, leading the Language, Learning, and Privacy research area (five research groups), the Data Science team, and the Central Engineering organization. I am also an Affiliate Full Professor at the University of Washington. Recently, I led applied science for Cortana and I was chief scientist at Microsoft Health.

I am a Fellow of the ACM (Class of 2021). I was recently elected as Vice Chair of ACM SIGIR.

I am ACM Transactions on the Web editor-in-chief and an associate editor for Communications of the ACM.

We recently launched the ACM SIGIR Academy to recognize individuals' contributions to information retrieval. Please nominate. More details here.

My book "Interactions with Search Systems" received the 2017 ASIST Best Information Science Book Award.  Download PDF from here.

I was technical program co-chair for the 28th Web Conference (WWW 2019), held in San Francisco in May 2019.

I received the 2014 Microsoft BCS/BCS IRSG Karen Spärck Jones Award for contributions to information retrieval. See slides from my ECIR 2015 keynote.

I was program co-chair for SIGIR 2017, the top search conference. At SIGIR 2017, I was identified as "Center of the SIGIR Universe," for being the author most central in the co-authorship graph in the 40 years of the ACM SIGIR conference.

I was founding chair of the series of ACM SIGIR Conferences on Human Information Interaction and Retrieval (CHIIR), pronounced "cheer."

We received the SIGIR 2022 Test of Time Award for Modeling the Impact of Short- and Long-term Behavior on Search Personalization.

I received the SIGIR 2013 Best Paper Award for Beliefs and Biases in Web Search.

We received the SIGIR 2010 Best Paper Award for our paper
Assessing the Scenic Route: Measuring the Value of Search Trails in Web Logs.

We received the SIGIR 2007 Best Paper Award for our paper
Studying the Use of Popular Destinations to Enhance Web Search Interaction.

I received the British Computer Society's (BCS) Distinguished Dissertation Award for the best Computer Science PhD dissertation in the United Kingdom for 2005. I am a Fellow of the BCS.