Crystal Sumner
Ximena Aleman
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Crystal Sumner
Chief Administrative Officer
Marqeta
Ximena Aleman
Co-founder / Co-CEO
Prometeo OpenBanking
Industry: Card Issuing, Fintech Infrastructure
Industry: Financial Services
Crystal
Sumner serves as Chief Administrative Officer at Marqeta. This seasoned C-suite executive has led teams across high-growth fintech companies including Blend and Eventbrite. Her expertise spans from early-stage through IPO, aligning strategy with execution to drive revenue and streamline operations during rapid transformation periods.
Ximena
Aleman, Co-founder and Co-CEO of Prometeo OpenBanking, focuses on digital disruption in Latin American finance. Since founding the company in 2018, she has promoted banking innovation and open banking empowerment in the region.
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