Irregular Expressions
irregex.vc Direct investor
Irregular Expressions is an early-stage venture fund founded by Jean Sini, investing in infrastructure, data, and machine learning startups. It is backed by a group of engineering and product leaders who provide advice and support to portfolio companies.
Irregular Expressions is a venture capital firm. It invests directly in companies, from pre-seed to seed, in infrastructure, data Engineering, AI and DevOps.
“We invest in startups enabling engineers to efficiently build and run products and systems at scale: Infrastructure, DevOps, AI, Machine Learning, Data Engineering, Security, Observability, Developer Productivity and Enablement.”
— Irregular Expressions, own website
- Layer
- Direct investor
- Type
- Venture capital
- Sectors
- Infrastructure, Data Engineering, AI, DevOps, Security, Observability, Developer Productivity
Team, as Irregular Expressions publishes it
- Jean Sini General Partner
Names and roles exactly as listed on irregex.vc. Nothing else about these people is recorded.
Most shared portfolio companies with
Derived from portfolio pages both investors publish themselves: each pair below lists at least one company in common. 224 investors with a shared portfolio company. A shared company is not proof they invested together in the same round.
- Kima Ventures 7 shared companies: plakar.io, popsink.com, alpic.ai, bubble.io…
- Motier Ventures 4 shared companies: plakar.io, twin.so, tsuga.com, fundamental.tech
- Seedcamp 4 shared companies: plakar.io, prelude.so, popsink.com, wise.com
- Glynn Capital Management, LLC 4 shared companies: wise.com, datarobot.com, cloudera.com, klaviyo.com
- Depo Ventures 4 shared companies: bubble.io, nvidia.com, mongodb.com, ibm.com
- Ballistic Ventures 4 shared companies: people.ai, datarobot.com, ibm.com, redhat.com
- RTP Global 4 shared companies: datarobot.com, datadoghq.com, liveperson.com, recall.ai
- IRIS Capital 3 shared companies: popsink.com, escape.tech, qovery.com
- SignalFire 3 shared companies: bubble.io, frame.io, plural.sh
- Sapphire Ventures 3 shared companies: criteo.com, datarobot.com, looker.com
and 214 more — the graph.
Where this comes from
Every fact above was read from a page Irregular Expressions publishes itself. Nothing is taken from third-party databases. Investment activity (deals, co-investors) is not yet recorded.
- https://www.irregex.vc/name, is_investor, layer, type, stage_min, stage_max, sectors, description, status
- https://www.irregex.vc/strategythesis_quote
- https://www.irregex.vc/teampeople
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Record 3098 · added 2026-09-03 · link last verified 2026-10-21 · confidence high
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