In this episode of Financial Modeler’s Corner, host Paul Barnhurst welcomes Carolina Lago, a seasoned FP&A professional, to discuss how financial modelers can transform data into actionable insights while avoiding common modeling pitfalls. Together, they explore best practices in financial modeling, the dangers of hard-coded models, and why structure, flexibility, and clear purpose are essential for effective decision-making. Carolina also shares lessons from her international career, including her experience supporting a major IPO and leading global software implementations.

Carolina Lago is an FP&A professional with over 15 years of international experience across multiple industries. She has played key roles in high-impact projects, including IPO preparation and enterprise-wide financial system implementations. Carolina is also the creator of the TACTIC framework, which helps financial professionals build models that are structured, insightful, and decision-focused.

Expect to Learn

1. Why hard-coded models are a major risk to accuracy and flexibility
2. How to turn raw data into insights that drive real business decisions
3. The importance of starting every model with a clear question or goal
4. How the TACTIC framework improves structure and clarity in modeling
5. Why strong modeling skills matter at every career stage

Here are a few quotes from the episode:

1. “I inherited one, and I had to try to change it. I spent probably a couple of weeks trying to make it better, and I couldn't. It was just too full of hardcoded numbers and no design at all.” – Carolina Lago
2. “Data is only useful if it can be transformed into actionable insights.” – Carolina Lago

Follow Carolina:

LinkedIn – https://www.linkedin.com/in/s-carolinalago/

Website – https://www.tacticfinancial.com

In today’s episode:

[00:00] - Trailer

[00:50] - Guest Introduction

[01:00] - Horrifying Financial Models

[02:00] - Early Career Modeling Mistakes

[03:10] - Carolina’s Global Career Journey

[05:00] - Turning Data into Actionable Insights

[07:30] - Introduction to the TACTIC Framework

[09:50] - Learning Resources & Community Engagement

[20:00] - Certifications and Continuing Education

[22:40] - Rapid-Fire Round

[24:50] - Advice for Aspiring Financial Modelers

[26:00] - How to Connect and Learn More