Tatiana Zuluaga Castillo
Bogotá,Colombia
Summary
Finance and transformation professional with expertise in leadership, stakeholder management, and analytical skills. Experienced in driving process optimization and operational excellence within global organizations. Proven track record in leading cross-functional initiatives. Skilled in financial controlling, forecasting, reporting automation, and data-driven decision-making, with advanced proficiency in ERP systems and analytics tools.
Overview
9
9
years of professional experience
Work history
Global Process Expert - M&S Opex and Capex
Sanofi
2025.05 - Current
- Led global finance transformation and process standardization initiatives across CAPEX/OPEX operations, driving governance, automation, and operational efficiency.
- Defined and implemented Target Operating Models (TOM), governance frameworks, and cross-functional processes across multiple regions and service lines.
- Managed complex global projects and stakeholder alignment across Finance, A2R and FPA.
- Led process improvement, communication, training, and implementation activities to support organizational change and scalable operations.
M&S Opex Senior Analyst
SANOFI - AVENTIS DE COLOMBIA
Bogotá, Bogota D.C.
2023.12 - Current
- Ensure accurate and timely monthly closing and share monthly results with Finance Business Partners as well as Budget Owners
- Conducted first-level variance analysis to identify discrepancies between actuals and budgets.
- Conducted trend analysis for key drivers of headcount changes
- Retrieved and organized financial data to support budget preparation and presentations.
- Loaded Forecasts into TM1 for BOI using standard templates
- Collaborated with stakeholders to align personnel cost forecasts with organizational objectives and site-specific requirements. (HR Model Expert)
- Managed monthly YTD actuals adjustments in forecast process
- Ensured accurate and efficient data mapping using standard templates and collaborating with FBP
- Participated actively in providing support for the development and implementation of improvement projects, including the PO Engine Accrual and PO Commitment report
Financial Analyst
Schlumberger
Bogotá, Colombia
2020.09 - 2023.12
- Provided business information and analytical support for key financial decisions
- Managed monthly financial closing activities
- Reviewing balance sheet reconciliation, supervising the clearing of open items and certifying the integrity of the balance sheet notes
- Reviewed end-of-period results, identifying variations for strategic decisions
- Evaluated P&L variation trends
- Reviewed financial performance through revenue, cost, and profitability reports
- Carried out internal controls in line with SOX requirements
- Engaged in team discussions to comprehend business processes and enhance financial controls
- Assisted in conducting annual internal and external audits
Accounting Analyst
Avianca S.A
Bogotá, Colombia
2017.06 - 2020.08
- I led the team responsible for the migration of accounting data and master data analysis for GL, which will allow us to have a successful implementation of SAP as ERP and guarantee the generation of timely and accurate financial information
- Functional finance expert in the implementation of SAP for airlines
- Implemented effective financial module integrated with logistics modules
- Prepared key information for compliance departments
- Assisting with annual internal and external audits
- Prepared detailed financial reports
- Conducted inter-company reconciliations accurately
- Coordinated group reporting requirements
Education
Public Accountant -
Universidad de Medellín
MedellínInternational financial reporting standards - undefined
Universidad Externado de Colombia
BogotáActualización tributaria 2021 - undefined
Pontificia Universidad Javeriana
Skills
- Leadership
- Teamwork
- Analytical Skills
- Adaptability
- Microsoft Excel
- Microsoft Power BI
- SAP
- ORACLE
- BLACKLINE
Languages
Spanish
Native
English
Upper intermediate
Personal Information
Nationality: Colombian
Timeline
Global Process Expert - M&S Opex and Capex
Sanofi
2025.05 - Current
M&S Opex Senior Analyst
SANOFI - AVENTIS DE COLOMBIA
2023.12 - Current
Financial Analyst
Schlumberger
2020.09 - 2023.12
Accounting Analyst
Avianca S.A
2017.06 - 2020.08
International financial reporting standards - undefined
Universidad Externado de Colombia
Actualización tributaria 2021 - undefined
Pontificia Universidad Javeriana
Public Accountant -
Universidad de Medellín