Tamar Yehoshua serves as Chief Product Officer at Slack. Yehoshua is a vice president at Google, where she leads the Mobile Search team. She also heads international strategy for all Google Search products. Prior to joining Google, Tamar served as vice president for advertising technology at A9, an Amazon company. She previously served in senior engineering leadership roles at Reasoning, Inc., and Noosh, Inc. Tamar holds a Bachelor of Arts degree in Mathematics from the University of Pennsylvania and a Master's degree in Computer Science from The Hebrew University of Jerusalem. She is an Angel Investor. [Source: Public Company Filing]