Essays by Ry Walker
Essays on AI, startups, and software engineering by Ry Walker, founder of Tembo and Astronomer.
| Feb 3, 2026 | The Outbound Math Has Changed Old model — 1,000 cold emails to 1 deal. New model — 200 warmed prospects to 4 deals. The unit economics of outbound flipped, and most teams are still optimizing the wrong funnel. |