Ivonne van Zuilen is head of marketing for a pioneering T-Mobile brand called BEN, positioned as the personal budget challenger in the Dutch market. During here eight years as a T-Mobile team member, Ivonne has led product and services launches as senior product marketing manager and senior product launch manager. After obtaining an MBA, Ivonne worked for Ogilvy advertising and public relations, where she was responsible for major transportation and CPG accounts; and then moved into telecom, first with the Orange Group and then with ISP provider Online Breedband.