J Zac Stein
J Zac Stein, CEO at Span | Making engineering time and tokens count at Span, posted 8 times in the last 90 days, most often customer highlights. That is about 0.6 posts a week; the most recent went up on Sep 16, 2026. The largest share was text-only posts (38%), with images at 38% and videos at 25%. By post type, customer highlights lead at 40%, then company announcements at 40% and industry thought leadership posts at 20%. Everything in that window was an original post, no reshares. Span has 9 other people in the benchmark, including Stephen Poletto, Melissa C. and Eric Ren.
What format they post
Also posting at Span
Post counts are the public LinkedIn posts Imagine AI collects for this person, taken over the 90 days to Sep 16, 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.