Desmond Fleming
Desmond Fleming, Principal at FirstMark Capital at FirstMark, posted 5 times in the last 90 days, mostly company announcements. That is about 0.4 posts a week; the most recent went up on Oct 15, 2026. Most of those were text-only posts (60%), with videos at 40%. By post type, company announcements lead at 67%, then event announcements at 33%. Everything in that window was an original post, no reshares. Against the Imagine AI research baseline of 20,000+ LinkedIn posts, Desmond Fleming's typical post lands in the baseline's p50 to p75 band and top half in Venture Capital. FirstMark has 16 other people in the benchmark, including Matt Turck, Beth Viner and Adam Nelson.
What format they post
Also posting at FirstMark
Post counts are the public LinkedIn posts Imagine AI collects for this person, taken over the 90 days to Oct 15, 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.
How to move up
- At Desmond Fleming's typical post, 2 more original posts a week, every week, would move Desmond Fleming from #852 to about #221.
- Posting every week at today's cadence alone would put Desmond Fleming at about #461.