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Sabina Helon
Manager - Europe Controllers Group @Mastercard
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WORK HISTORY
Manager - Europe Controllers Group @Mastercard
Warsaw, PL
Led the financial oversight for Mastercard Processing S.A. and Mastercard Polish Branch, part of Controller’s group within Mastercard Europe’s Finance division• Enhanced statutory financial statement accuracy through meticulous conversion from US GAAP to Polish GAAP, bolstering compliance and reporting integrity• Coordinated with accounting service provider for local bookkeeping processes, ensuring precise financial records and compliance with accounting standards• Led the coordination and facilitation of statutory audits, ensuring seamless collaboration with external auditing firm• Directed detailed P&L, Balance Sheet reviews, and reconciliations, streamlining month-end closing processes and supporting business teams with expert accounting and control advice • Oversaw quarterly reviews of Market Development Funds (MDF) and Customer Directed Funds (CDF) for the Polish Branch, focusing on the accounting treatment in alignment with guidance and spending bulletins to ensure adherence to Mastercard\'s financial policies• Contributed to contract drafting, ensuring alignment with relevant accounting standards and principles. Supported the definition of customer incentives and the implementation of appropriate accounting setups within systems• Engaged daily with diverse teams within Mastercard, including Tax, Legal, Finance, Shared Service Centre, Corporate and Business colleagues
EDUCATION
Wroclaw University of Economics and Business
Licencjat (Lic.), Finanse i rachunkowość
Wroclaw University of Economics and Business
Magister (Mgr), Finanse i rachunkowość
Szkoła Główna Handlowa w Warszawie
Magister (Mgr), Finanse i rachunkowość
ABOUT SABINA HELON
Finance professional with over 10 years of experience in audit and financial controlling, developed through key roles at Mastercard and PwC.At Mastercard, I am responsible for financial control activities including general ledger oversight, statutory reporting, coordination of external audits, and ensuring compliance with US GAAP and local accounting standards. I collaborate with shared service centers and internal stakeholders to enhance reporting accuracy, streamline closing processes, and maintain strong internal controls.My early career at PwC focused on auditing banking institutions, where I gained deep experience in financial reporting under IFRS and local GAAP, as well as regulatory compliance and risk assessment in the financial sector.Known for a structured and detail-oriented approach, I focus on maintaining financial integrity, improving operational efficiency, and supporting informed decision-making.I bring a combination of technical expertise and a collaborative mindset, with a long-term ambition to build and lead finance functions that deliver both compliance and strategic value.
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