Mary Ellen Jelenek has over two decades of experience at American Express, currently serving as Senior Vice President and General Manager for the Global Client Group in Global Merchant Services. In this role, Mary Ellen leads initiatives in global sponsorships, digital experiences, and internal marketing, achieving notable successes like tripling campaign delivery and optimizing creative investment. Previously, as Senior Vice President of Global Merchant Marketing & Analytics, Mary Ellen managed a team of over 500 and drove significant growth in merchant-funded offers and global analytics. Additional roles have included Vice President positions focusing on emerging payment solutions, online and mobile product management, and corporate charge card products. Mary Ellen also holds an advisory board position at Ometria, contributing expertise in customer data and experience technologies, and earned a degree from Boston University.
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