NachoTuesday: C-Suite Insights - Building a Forecast That Actually Drives Decisions
NachoTuesday Building a Forecast That Actually Drives Decisions
Tom Matta
Director of Partnerships, Forecastr
NachoTuesday Webinar, Tuesday
June 09, 2026
Webinar summary
This interview features Tom Matta from Forecastr and Andy from NachoNacho discussing the critical role of forward-looking, scenario-based financial forecasting for startups. Rather than treating financial modeling as a static backward-looking reporting exercise, they highlight how modern platforms integrate real-time data, human oversight, and AI to turn forecasts into dynamic decision-making tools. Tom shares vital strategic advice on navigating market volatility, balancing optimistic projections with operational realism, and regional fundraising dynamics, emphasizing that a robust financial plan is essential for maintaining investor confidence and scaling efficiently.
Key Takeaways
- Decision-Driven over Reporting-Driven: Traditional forecasts fail because they only report past data. Effective forecasts must be forward-looking, scenario-based models (e.g., modeling a $10%$ drop in conversion) that allow leaders to make proactive decisions before problems arise.
- The Power of the 90-Day Rolling Forecast: In highly volatile or rapidly changing markets, long-term $3$-to-$5$-year models quickly become obsolete creative exercises. Startups should prioritize a $90$-day rolling forecast with monthly updates to maintain high accuracy and strategic agility.
- The "Three-Legged Stool" of Modern FP&A: Relying solely on AI for financial forecasting is risky due to potential hallucinations. The most reliable financial planning approach combines collaborative software, generative AI (like Forecastr's Claude integration), and human analysts in the loop to guarantee $100%$ data accuracy.
- Anchor Costs to the Base Case, Not the Upside: Founders should build their hiring and operating expenses against conservative base-case assumptions rather than optimistic, "hockey stick" upside scenarios. It is significantly easier to accelerate hiring if revenue outperforms expectations than it is to execute layoffs if it misses.
- Align Capital, Customers, and Geography: Success often requires navigating different regional ecosystems. Startups may build in one hub (like Silicon Valley or Hawaii), raise capital in another that better understands their niche (like New York for fintech), and sell to customers located in a third.
See full video transcript