Umar Brimah
Umar Brimah, Launching Rho in Austin | Forbes U30 Austin | Ex-VC | Antler Resident at Rho, posted 5 times in the last 90 days. That is about 0.4 posts a week; the most recent went up on Sep 30, 2026. Most of those were images (80%), with documents at 20%. Everything in that window was an original post, no reshares. Rho has 82 other people in the benchmark, including Sean Hu, Jason Grohowski and Tarlon Khoubyari.
What format they post
Also posting at Rho
Post counts are the public LinkedIn posts Imagine AI collects for this person, taken over the 90 days to Sep 30, 2026; reshares are left out of the post count and the format mix. Follower counts come from the last profile check. The band compares a typical post, the geometric mean of reactions on posts that have had two weeks to settle, with the Imagine AI research baseline of 20,000+ posts from B2B startups. How the benchmark is built.
