Kari Callahan is an accomplished media professional with over 25 years of experience in various roles across multiple companies. Currently serving as the Director of Global Media, Portfolio, and Insights at Amazon.com since October 2010, Kari has demonstrated expertise in strategic media planning and execution. Prior roles include Media Manager at Clearwire, where responsibilities included launching the CLEAR WiMax service in over 60 markets and managing media budgets, and VP, Media Manager at WaMu, focusing on media strategy and ROI analysis. Additionally, Kari held positions at Publicis/Optimedia Advertising as Associate Media Director and earlier roles at Brems Eastman & Partners and EvansGroup. Education includes a Bachelor of Arts in Business from the University of Washington.