RonanRx hits 57% weekly growth 12 weeks after starting, building full-stack AI pharma

ycombinator · x · 2026-09-11

At YC Demo Day, RonanRx founder larmbrust shared that 12 weeks ago the company was just an idea; it's now growing 57% week over week while building a full-stack pharmaceutical company. He notes fundraising was the easy part — "now we have to build the damn thing."

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