David Ku is corporate vice president for the AI Core group, responsible for horizontal artificial intelligence capabilities that power products such as Bing, Cortana, Office and Azure. David also serves at the Chief Technology Officer for the Artificial Intelligence and Research division. David joined Microsoft in 2010 and was responsible for the advertising marketplaces and platforms across search and display. Prior to joining Microsoft, David was the senior vice president of Advertising Products at Yahoo!, responsible for all advertising products and technology across search and display, video and mobile advertising. Before Yahoo! David worked in the EDA industry in various technical and leadership roles. He holds patents in search, personalization, and advertising, has authored a book, and published in numerous journals and conference proceedings in electronic design automation. He received doctorate and master’s degrees from Stanford University in Electrical Engineering.