Summary
Overview
Work History
Education
Skills
Timeline
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Tomas Ordonez

Tomas Ordonez

TAX ACCOUNTANT

Summary

Tax Accountant with over 10 years of experience across diverse industries—including Consulting, SaaS, Financial Services, and Agribusiness. Proven expertise in local and international tax compliance, transfer pricing, and strategic advisory, with hands-on exposure in Latin America, North America, and Europe.
Recognized for a strong ability to navigate complex regulatory environments and lead high-impact cross-functional initiatives. Passionate about continuous learning and driving results through collaboration, adaptability, and deep business insight.

Overview

11
11
years of professional experience
2
2
Languages

Work History

Regional Tax Manager NA & SA

BIOCERES
03.2024 - Current
  • Ensured full tax compliance across the region, aligning with local regulations and corporate policies.
  • Led the calculation and accurate recording of quarterly and annual tax provisions, supporting financial statement integrity.
  • Developed and implemented the global Transfer Pricing strategy, including the preparation of Master File and Local Files, and the management of intercompany relationships between subsidiaries.
  • Managed interactions with tax authorities, including coordination of audits and timely response to regulatory requirements.
  • Spearheaded process improvements within the tax function, enhancing efficiency and accuracy.
  • Streamlined internal controls by developing and implementing standardized procedures for managing workpapers, documentation, and recordkeeping.
  • Provided cross-functional support to key departments including Sales, Supply Chain, Accounting, Finance, and Legal, fostering collaboration and operational alignment.

Regional Senior Tax Analyst

WESTERN UNION
12.2022 - 03.2024
  • Prepared, supervised, and submitted monthly and annual tax returns across the region, ensuring compliance with local tax regulations.
  • Led automation initiatives within the tax function to enhance operational efficiency and data accuracy.
  • Managed vendor relationships, including negotiation, purchase order processing, invoicing, and payment coordination.
  • Contributed to the development and execution of the company’s global Transfer Pricing strategy, ensuring alignment with international standards and business goals.
  • Provided tax-related support for business expansion efforts throughout the region, contributing to strategic growth.
  • Collaborated with internal teams such as Accounts Payable, Treasury, Accounting, and Legal, delivering timely and effective support.

VAT Analyst (America)

REMOTE
11.2021 - 09.2022
  • Prepared, supervised, and submitted indirect tax returns across the Americas region, ensuring timely and accurate compliance with local tax regulations.
  • Provided cross-functional tax support to key departments (AP, Payroll, Invoicing, Accounting, Legal, among others)

US Senior Tax Associate

PWC
01.2021 - 11.2021
  • Prepared and supervised U.S. tax filings, primarily Forms 1065 and 1120, including all supporting schedules and workpapers, ensuring accuracy and compliance with IRS requirements.
  • Acted as liaison between U.S.-based teams and local associates, effectively coordinating deliverables, resolving queries, and aligning workflows across time zones.

Senior Manager- Tax, Accounting & Payroll

ESTUDIO CONTABLE ORDOÑEZ
01.2014 - 01.2021
  • Managed client relationships, providing personalized support and acting as a strategic partner for their tax and accounting needs.
  • Designed and implemented tailored tax and accounting strategies to optimize compliance and financial efficiency.
  • Oversaw timely and accurate submission of tax filings, ensuring full regulatory compliance for a diverse client base.
  • Led internal team coordination, fostering collaboration and ensuring effective task organization and delivery.

Education

Accounting

UADE
Buenos Aires, Argentina

Skills

  • Experience with Oracle applications

  • SAP software proficiency

  • OneSource Income Tax

  • Experienced in QuickBooks software

  • Tax compliance expertise

  • Tax technology implementation

  • Tax controversy resolution

  • Transfer pricing proficiency

Timeline

Regional Tax Manager NA & SA

BIOCERES
03.2024 - Current

Regional Senior Tax Analyst

WESTERN UNION
12.2022 - 03.2024

VAT Analyst (America)

REMOTE
11.2021 - 09.2022

US Senior Tax Associate

PWC
01.2021 - 11.2021

Senior Manager- Tax, Accounting & Payroll

ESTUDIO CONTABLE ORDOÑEZ
01.2014 - 01.2021

Accounting

UADE

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