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Andres ReyesAR
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Andres Reyes

@andresreyes

Program and transformation manager at Citi who co-led enterprise Close Operating Model design and delivered an AI/ML-enabled financial threshold model.

Costa Rica
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At CITIGROUP, I co-led the enterprise Close Operating Model program, redefining governance and execution standards for month-end close. I also delivered a data and automation workstream that combined natural language generation with machine learning-based anomaly detection in a financial threshold model later adopted as an enterprise standard.

As Vice President, Global Regulatory Reporting Transformation, I led the enterprise Data Operating Model program across finance, technology, and data functions. I directed implementation of more than 5,000 data quality controls and built Tableau dashboards to track milestones and quality metrics.

As AVP, Finance Reporting Manager, I directed an 8-process insourcing program and automated more than 25 financial sub-processes. I owned budget, cost, and production accountability, led a team of up to 25 professionals, and achieved 12%+ annual cost savings through Lean Six Sigma-driven process redesign.

Earlier, at CONSULTORES MULTIDISCIPLINARIOS S.A., I built and presented financial feasibility studies that underpinned approximately $100M in secured construction financing across the engagement period. At SCOTIABANK, I conducted corporate credit risk analysis supporting commercial and institutional lending decisions.

Experience

Work history, roles, and key accomplishments

Citigroup logoCI

Senior Vice President, Accounting Ledger & Close Transformation

Jan 2025 - Dec 2026 (1 year 11 months)

Co-led the enterprise Close Operating Model program, redefining governance and execution standards for month-end close. Delivered a flagship data and automation workstream, including a financial threshold model with natural language generation and ML-based anomaly detection, later adopted as an enterprise standard.

Citigroup logoCI

Vice President, Global Regulatory Reporting Transformation

Jan 2022 - Dec 2025 (3 years 11 months)

Led the enterprise Data Operating Model program, defining governance structures and standardized processes across finance, technology, and data functions. Directed implementation of 5,000+ data quality controls and built executive dashboards in Tableau to track milestones and quality metrics.

Education

Degrees, certifications, and relevant coursework

Walsh College logoWC

Walsh College

Doctor of Business Administration (DBA), AI/ML

Doctor of Business Administration (DBA) in AI/ML, currently in progress at Walsh College, United States.

McCombs School of Business, The University of Texas at Austin logoMA

McCombs School of Business, The University of Texas at Austin

Post Graduate Program, Artificial Intelligence and Machine Learning

Post Graduate Program in Artificial Intelligence and Machine Learning: Business Applications from McCombs School of Business, The University of Texas at Austin, completed in 2026.

INCAE Business School logoIS

INCAE Business School

Specialization, Business Intelligence

Business Intelligence Specialization from INCAE Business School, completed in 2025.

ES

European Business School

Master's Degree, Banking & Finance

Master's Degree in Banking & Finance from European Business School, Spain, completed in 2022.

Universidad Fidelitas logoUF

Universidad Fidelitas

Bachelor's Degree, Business Administration

Bachelor's Degree in Business Administration with a concentration in Finance & Banking from Universidad Fidelitas, Costa Rica, completed in 2018.

Universidad Internacional de las Américas (UIA) logoUU

Universidad Internacional de las Américas (UIA)

Black Belt, Lean Six Sigma

Lean Six Sigma Black Belt certification from Universidad Internacional de las Américas (UIA), completed in 2017.

Tech stack

Software and tools used professionally

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