Building the universal integration layer for modern products and raising a Series A from GV with Romain Sestier & Guillaume Lebedel, Co-Founders @ StackOne

In this episode of Riding Unicorns, we're joined by Romain Sestier and Guillaume Lebedel, the co-founders of StackOne, a rapidly growing startup that’s building the universal integration layer for modern SaaS and AI products. Hot off the back of their $20M Series A led by GV, the duo joins us to share their journey, insights, and lessons from the trenches. Romain and Guillaume have known each other for over a decade, having worked together across multiple companies before launching StackOne. ...

Om Podcasten

Riding Unicorns is the go-to podcast for anyone interested in venture capital and high-growth startups. Hosted by VCs James Pringle and Hector Mason, the show explores what it takes to build and back successful tech unicorns.

Each episode features candid conversations with top founders, operators, and investors—unpacking the strategies, challenges, and insights behind scaling category-defining companies. From fundraising and product-market fit to hiring, growth, and beyond, no topic is off-limits. Whether you're a founder, VC, angel investor, or just curious about the world of startups, you’ll find valuable takeaways in every episode.