Founder record
Jack O'Brien
Updated November 4, 2026 · co-founder and CEO of Subconscious · Presspool
Jack O'Brien is named as co-founder and CEO of Subconscious in a public source Presspool read for that company, subconscious.dev. The role is printed in the words that source uses. This page is the Presspool record of that line: the person, the company record, the niche map when Subconscious is on one, and the sample of how often AI answers are collected for who is Jack O'Brien.
The source URL is the sameAs on this page. Jack O'Brien is here because a page already read for a Presspool company stated the name in a founder line, and that company has its own Presspool record. The founders index lists names from A to Z.
Subconscious (subconscious.dev) is on Presspool at Subconscious. The company record describes it in these words: Subconscious is an inference provider for long-running AI agents, built for 200K+ token sessions.
Latest announced financing: $5.1 million, Pre-seed and seed, led by MassVentures, announced September 22, 2026.
Subconscious announced $5.1 million Pre-seed and seed on September 22, 2026. Led by MassVentures. Foothill Ventures, Underscore VC and E14 Fund participated; the total spans a pre-seed and a seed. The round is listed in the AI startup funding roster for September 21–26, 2026. Round sources: Subconscious, The SaaS News.
Of the 279 rounds with exactly stated amounts in dollars on Presspool's weekly rosters since September 21, 2026, Subconscious' $5.1 million is the joint 216th largest; their median is $16 million.
Sources on the Subconscious company record: Own site, Independent source, Subconscious.
Subconscious is a member of the AI infrastructure map. Recently funded AI infrastructure companies: GPU clouds, inference, data, evals and agent infrastructure, with funding and how often AI apps name each. The map page lists the other companies in that market and how often AI answers name those companies. Company naming counts stay on the map and on the company record.
Sampling in progress. Presspool has no completed sample of the question who is Jack O'Brien for Jack O'Brien, so this page shows no naming rate. A rate is published only as answers, of attempts, by app, taken from observations already collected, along with the domains those answers cited. No count is estimated, and an empty sample is not reported as zero.
Whether AI answers name Subconscious is reported on the company record. The sample on this page, when one exists, is the person question for Jack O'Brien. Cited domains are listed when that sample contains them. The index lists founders from A to Z, and no one pays to be included. Corrections need a public source and go to the contact page. The record behind this page was built November 4, 2026.
Company
- Subconscious (subconscious.dev)
Niche
Sample of “who is Jack O'Brien”
Sampling in progress.