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Aneta Siatka-Olisaeke

Tp&ico Process Improvement SME A.i. at Adevinta

Aneta Siatka-Olisaeke is an experienced accounting professional with a diverse background in financial management and process improvement. Currently serving as a TP&ICO Process Improvement Subject Matter Expert at Adevinta since January 2024, Aneta previously held multiple roles at Arvelle Therapeutics, including Accounting Manager and R2R Accounting Lead, where responsibilities encompassed leading R2R/GL accounting processes, managing month-end close for 11 entities, and driving continuous improvement projects. Aneta’s prior experience includes positions as Senior Accountant at ServiceNow, Senior Accountant General Ledger at Mattel, and GL Accountant at IBM, demonstrating expertise in financial reporting, reconciliations, and compliance with accounting standards. Aneta also has a foundation in entrepreneurship as a private business owner and an extensive administrative background as an Office Coordinator at Magnat.

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