THAIRA HERRERA CHACÓN
San José
Summary
Results-driven R2R Period-End Close Senior Analyst with 8 years in multinational accounting operations, specialising in financial reporting and R2R close processes. Skilled in consolidated financial reporting and balance sheet reconciliations, with a focus on SOX and ICFR controls. Experienced in SAP, Oracle EBS, BlackLine, and HFM, driving automation solutions to enhance efficiency and financial integrity.
Overview
9
9
years of professional experience
Work History
Accountant Analyst
Amazon
Heredia
10.2021 - Current
- Owned R2R period-end close for multiple geographies, delivering consolidated financial reporting, balance sheet analysis, and account reconciliations under tight deadlines with high accuracy.
- Maintained SOX and ICFR controls and financial policies; identified and escalated accounting and audit issues, enhancing audit readiness and minimising close risk.
- Served as primary contact for internal and external audits, preparing audit support and delivering timely, accurate responses to auditors and stakeholders.
- Managed Non-Compliant Invoice (NCI) process end to end, ensuring timely resolution and accurate accounting treatment; mentored interns and provided technical guidance to support team execution.
- Led MXN Book-to-Tax automation (JDI/Datanet), reducing monthly processing time from 16.83 to 1.17 hours, saving approximately 188 hours annually and standardizing the process across entities.
Accountant
Stryker
Heredia
03.2020 - 10.2021
- Prepared consolidation inputs by extracting trial balance and supplemental data from SAP and loading trial balances and journal vouchers into HFM; investigated and cleared validation errors to maintain accurate consolidation results.
- Managed GL period openings and closings for R2R activities, ensuring timely reporting and accurate consolidated financial statements.
- Performed balance sheet reconciliations and variance analysis; prepared asset, liability, and equity journal entries in line with internal accounting policies and audit expectations.
- Investigated root causes of accounting discrepancies, implementing corrective actions to enhance internal controls and maintain data integrity under tight close deadlines.
Accounting Associate
Western Union Holdings, Inc.
Santa Ana
04.2018 - 03.2020
- Supported monthly period-end close by gathering source data, preparing journal entries, and finalising financial reports, ensuring compliance with GAAP or IFRS and meeting internal review timelines.
- Performed daily balance sheet account reconciliations, investigated variances, and documented root causes to maintain accurate financial reporting and reduce recurring reconciliation issues.
- Created and implemented standard operating procedures for close and reconciliation activities, enhancing consistency and accuracy while facilitating independent work under tight deadlines.
- Prepared written documentation and status updates for stakeholders, translating reconciliation findings and close impacts into actionable next steps for informed decision-making.
Accounting Assistant
Costa Rica Tennis Club S.A.
San José
01.2017 - 04.2018
- Coded and processed invoices, receipts, and supporting documentation, ensuring audit-ready records and transaction traceability.
- Reconciled balance sheet accounts, including credit cards, employee expenses, and commissions, investigating variances and correcting discrepancies to support accurate period-end reporting.
- Tracked operating expenses and supported budgeting activities, identifying exceptions and strengthening financial controls.
- Prepared recurring financial reports and schedules for managers, presenting findings and documenting procedures for consistent execution under tight deadlines.
Education
Bachelor's Degree - Business Administration
Universidad Internacional De Las Américas
01-2024
Technical Diploma - Accounting
Colegio Técnico Profesional Alajuelita
01-2016
Skills
- Gaap
- SAP
- BlackLine
- Financial Reporting
- R2R
- Balance sheet review
- Cost analysis
- Auditing
- Excel
- Analytical Skills
- Stakeholder Management
Languages
English
Spanish
Additional information
- Berlitz Corporation, English Course (Level 10), 2018-01-01, 2020-01-01
- Instituto Nacional de Aprendizaje, Microsoft Office, 2017
Websites, Portfolios and Profiles
https://www.linkedin.com/in/thaira-herrera-05178a1b0/
References
- Cesar Montenegro Ramirez, Accounting Team Lead, 8877-2251
- Cindy Güell, Statutory and Controlling Assistant Manager, 6041-9922
- Cindy Lopez Campos, Accounting Senior Manager, 8345-0228
- Andrea Cordero Ramirez, Accounting Team Lead, 8914-5673
Timeline
Accountant Analyst
Amazon
10.2021 - Current
Accountant
Stryker
03.2020 - 10.2021
Accounting Associate
Western Union Holdings, Inc.
04.2018 - 03.2020
Accounting Assistant
Costa Rica Tennis Club S.A.
01.2017 - 04.2018
Bachelor's Degree - Business Administration
Universidad Internacional De Las Américas
Technical Diploma - Accounting
Colegio Técnico Profesional Alajuelita