About

About Alejandro Romero

I specialize in architecting robust, fault-tolerant spreadsheet systems for enterprise organizations across the United States and the United Kingdom.

In high-stakes corporate environments—finance, audit, FP&A, and operations—spreadsheets remain the operational backbone. However, brittle manual workbooks, broken lookup chains, and unhandled script exceptions cost corporate teams thousands of hours and introduce catastrophic compliance liabilities.

What I Do

• Production-Grade Apps Script Development: Modular, event-driven, and thoroughly documented automation engines with enterprise-level error trapping, trigger management, and audit logging.
• Advanced Google Sheets Modeling: Resilient QUERY, vectorized LAMBDA helpers (MAP, BYROW, SCAN), and multi-source consolidation designed to handle high transaction volumes without grid locks.
• Financial Modeling & Reconciliation: Automated balance sheet, general ledger, and operational variance reporting with zero manual copy-paste overhead.
• Workflow & Cloud Integration: Connecting Google Sheets with external REST APIs, BigQuery, PostgreSQL, and automated data pipelines (Coupler.io) into auditable, high-performance operational workflows.

Objective

To help CFOs, controllers, and operations directors turn manual spreadsheet chaos into streamlined, institutional-grade data engines.

Interested in discussing a tailored automation project or auditing an existing spreadsheet workflow? Reach out via our Contact & Business Inquiries page or directly at contact@alejandroromero.io.