Maira Geraldine Quintero Mateus
Summary
Public Accountant graduate from the National University of Colombia with a focus on developing financial skills. Known for persistence, organization, and capacity for learning. Skilled in detailed financial and tax analysis. Eager to expand competencies and explore new areas in my professional career. Proven ability to work effectively in teams, collaborate, and solve complex problems. Committed to continuous professional growth, knowledge enhancement, and contributing to the success of collaborating companies.
Overview
4
4
years of professional experience
Work History
Senior Tax Analyst
DIAGEO Colombia S.A
04.2025 - Current
- Selected for a temporary promotion to Senior Tax Analyst as part of a secondment, in recognition of strong performance and technical capabilities.
- Assumed full responsibility for managing VAT compliance for one of the Mexican entities, including preparation, review, and timely filing of monthly returns and related obligations.
- Continued to support broader tax compliance and reporting processes, ensuring accuracy and adherence to local tax regulations.
- Provided guidance and support to junior team members during the transition period.
Tax Analyst
Diageo Colombia S.A
03.2023 - 03.2025
- Responsible for ensuring timely and accurate tax compliance for three legal entities, including the preparation and submission of monthly tax returns in Mexico.
- Prepared tax account reconciliations and supported related month-end closing processes.
- Ensured accurate tax provisioning for the fiscal year by preparing detailed corporate tax reports and analysis.
- Managed the annual tax compliance process for all three entities, including the timely filing of annual tax returns, informative returns, and the statutory tax report (Dictamen Fiscal) with the Mexican tax authority (SAT).
- Contributed to the automation and standardization of working papers across the team, improving the accuracy and efficiency of document review processes.
Tax Intern
DIAGEO Colombia SA
06.2022 - 12.2022
- Prepared supporting documentation for transactions with suppliers not required to issue sales invoices or equivalent documents.
- Issued withholding tax certificates for income tax (RENTA), VAT (IVA), and municipal tax (ICA).
- Supported the preparation and filing of exogenous information reports.
- Assisted in the submission of national and municipal tax returns.
- Prepared and validated reports on deductible and non-deductible expenses for income tax purposes.
University Intern
Ecopetrol S.A
07.2021 - 01.2022
- Supported key activities within the Financial Operations Department, focusing on account analysis and reporting.
- Performed variance analysis during monthly closings for commission, fee, and freight accounts, ensuring the reasonableness of significant fluctuations.
- Consolidated and presented tax payment information for Ecopetrol Group subsidiaries using Power BI.
- Improved the productivity dashboard consolidation process through automation developed in Visual Basic for Applications (VBA).
- Generated financial and operational reports using Excel and Power BI to support decision-making.
- Maintained and updated the productivity dashboard on a monthly basis to monitor departmental service performance.
Education
Contaduría Pública -
Universidad Nacional De Colombia
Bogotá, Colombia04-2023
Excel Skills for Business: Advanced - undefined
Macquarie University-Coursera
12.2022
Skills
- Proficient in intermediate Excel functions
- Advanced Office 365 skills
- Entry-level Power BI experience
- Critical thinking capacity
- Continuous learning attitude
- Tax compliance expertise
- Proficient in SAP
Languages
English
Upper intermediate (B2)
Timeline
Senior Tax Analyst
DIAGEO Colombia S.A
04.2025 - Current
Tax Analyst
Diageo Colombia S.A
03.2023 - 03.2025
Tax Intern
DIAGEO Colombia SA
06.2022 - 12.2022
University Intern
Ecopetrol S.A
07.2021 - 01.2022
Excel Skills for Business: Advanced - undefined
Macquarie University-Coursera
Contaduría Pública -
Universidad Nacional De Colombia
Personal Information
- ID Number: 1005248877
- Telephone Number: 3202239192
Additional Information
- Actively participated in the student-led project "Launch of GECOES Journal and 8th Conference Cycle" as a member of the study group on cost accounting and management control (Control+Ge).
- Contributed to event planning, academic discussions, and promotion of research initiatives within the group.
- Provided extracurricular tutoring and academic support to students enrolled in the course Fundamentals of Managerial Accounting, part of the Public Accounting and Business Administration curriculum.
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