Brian Balfour is the 🏷️#founder and CEO of 📝Reforge, the educational platform for product, marketing, and growth teams. He was previously VP of Growth at HubSpot, where he helped expand the company from a single- to multi-product business, created the CRM offering that became Sales Hub, and led its transition to product-led growth. He founded Reforge a decade ago to close the education gap for mid-career professionals; it has since evolved beyond expert-led training into an AI-native product suite — Insights to aggregate customer feedback, Research to run AI-powered interviews, Build to generate and validate prototypes, and Launch to deploy experiments. He is also a venture partner at Long Journey Ventures and holds a B.A. from the University of Michigan; he is based in San Francisco.
Through Reforge, Brian works with many of the best operators across tech, giving him a vantage point on how organizations adopt — or fail to adopt — AI. He argues that replacing individual workflows one at a time creates disconnected, "Frankenstein" systems that lose critical context, and that the top 5-10% of companies design distinct strategies for three adoption segments: leaders who experiment naturally, a middle group needing constraints and support, and anchors who resist. He has written widely read essays including The Big Squeeze and The Next Great Distribution Shift, arguing that faster incumbent copying makes reaching "escape velocity" more urgent than ever. He observes GTM roles polarizing toward systems-and-infrastructure people and creative people while the middle automates, and product velocity now outpacing 📝go-to-market's ability to distribute. His advice to early-career operators: build and share publicly to stand out from AI-generated application slop.
I had Brian on to talk escape velocity and winning AI adoption — what landed for me was his point that most companies aren't being ambitious enough, bolting AI onto old workflows instead of rebuilding the system.