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Celine Merlin Kastoun is an accomplished senior executive with extensive experience at Citi since January 2013, currently serving as Senior Vice President across multiple roles, including leading the Costco ECM Portfolio and Global Strategic Transformation initiatives. Celine has consistently demonstrated expertise in managing cross-functional teams, delivering robust marketing strategies, and improving customer experiences within the financial services sector. Previous positions include VP of Rewards Marketing & Strategy at Citi, where Celine led successful product launches and marketing strategies that significantly exceeded performance metrics. Earlier roles at Citigroup and GE Capital contributed to a strong foundation in relationship management, marketing, and operations. Celine holds an MBA in Marketing from Columbia Business School, a Certificate in Hospitality Management from New York University, and a BSBA in Marketing and International Business from Northeastern University.