Primary Job Title Co-Founder & CEO Primary Organization Numberly
Location Palo Alto, California, United States Regions San Francisco Bay Area, Silicon Valley, West Coast Gender Female Also Known As Yseulys Costes
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Yseulys Costes is the Chief Executive Officer and Founder of numberly (1000mercis Group), a listed company. Passionate about Data and Marketing, Yseulys began to work on interactivity in 1995, at the Robert O. Anderson School MBA, USA. Numberly provide their clients with the most innovative digital strategies to increase their ROI in a targeted,
measurable, programmatic and multichannel approach. As a researcher in interactive marketing, she has been invited at Harvard Business School and has taught Interactive Marketing at several prestigious institutions including HEC, ESSEC and Paris Dauphine.
Prior to founding numberly, she wrote numerous books and articles on online marketing and databases and was the coordinator of IAB France. Yseulys has been in Palo Alto, CA since 2014 to launch develop the Group’s U.S. activities. Yseulys is a board member of Kering, Vivendi and SEB.