The Mindset Shift from Seed to Series A with Jonni Lundy

Founder Chats Podcast · 49 min 10 sec · Published 27 August 2025

About this video

This interview is aimed at SaaS founders and operators moving from seed to Series A. Jonni Lundy, COO of Resend, explains how the focus shifts from burn rate to ARR per head, how to interpret retention tables, and how to validate demand before building. Listeners will also gain practical advice on distributed team culture, roadmap prioritisation and using their own data over generic benchmarks.

Jonni Lundy discusses metric shifts, retention analysis, demand validation, team culture, and roadmap decisions for SaaS scaling from seed to Series A.

What this video covers

• Why burn rate gives way to ARR per head after seed funding
• How to read and apply retention tables effectively
• The "sell to build" framework for testing demand before development
• Methods for prioritising roadmap ideas and saying no to good but non-essential features
• Approaches to building culture and celebrating achievements in distributed teams

Related reading

• The Mindset Shift from Seed to Series A with Jonni Lundy
• 3 Lessons From Founders That'll Shift How You Run Your SaaS

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