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Ralf Costa is a seasoned data science professional with extensive experience in fraud prevention and risk management. Currently serving as a Data Science Manager at Signifyd since March 2022, Ralf previously held similar managerial roles at Shopee and CERC Central de Recebíveis S.A. Ralf's career also includes significant positions at B3, where roles included Data Science Manager and Analyst focused on fraud and anti-money laundering, and earlier experience at BTG Pactual in IT analytics. Ralf's background in data science spans over a decade, showcasing a strong track record in leveraging data for risk assessment and mitigation.