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Jean Sini

Investor

Managing Partner at Irregular Expressions

New York, New York

Writes $100K – $12M checks · typically $8M

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About

Jean Sini is managing partner of Irregular Expressions, with investments in companies including Canva, Bubble.io, People.ai, Memfault, Medigate and Bison Trails. He previously served as VP of engineering at Mint, Ring and Porch, as CTO of Cadre, One Kings Lane and Twelvefold Media, and as co-founder and CTO of Fountain and Activeweave.

Contact· published on Jean's own website

Experience

  1. Irregular ExpressionsFounder + Managing Partnercurrent2018 — presentNew York, New York, United States
  2. CanvaInvestor + Advisorcurrent2012 — presentGreater Sydney Area
  3. People.aiInvestor + Advisorcurrent2016 — presentSan Francisco Bay Area
  4. Antheia, Inc.Investorcurrent2015 — presentSan Francisco Bay Area
  5. PartechVenture Partnercurrent2025 — presentNew York, New York, United States
  6. PartechGeneral Partner2019 — 2025New York, New York, United States
  7. ProdPerfectInvestorcurrent2018 — presentNew York City Metropolitan Area
  8. KickpayInvestor + Advisor2014 — 2023San Francisco Bay Area
  9. MindKick Inc.Investor2017 — 2022San Francisco
  10. First Round CapitalAngel Track2018 — 2019New York City Metropolitan Area
  11. Grove (acquired by Wealthfront)Investor + Advisor2016 — 2019San Francisco Bay Area
  12. Treasure Data, Inc.Investor + Advisor2012 — 2018San Francisco Bay Area
  13. CadreChief Technology Officer2016 — 2018New York City Metropolitan Area
  14. Leap LifeAdvisor2016 — 2018San Francisco Bay Area
  15. BoxbeeInvestor2012 — 2018San Francisco Bay Area
  16. FountainCo-founder + Chief Technology Officer2013 — 2016San Francisco Bay Area
  17. One Kings LaneChief Product + Technology Officer2012 — 2013San Francisco Bay Area
  18. FieldwireAdvisor2011 — 2013San Francisco Bay Area
  19. IntuitDirector, Software Engineering2009 — 2012Mountain View, California
  20. IntuitVice President, Data Aggregation2009 — 2012Mountain View, California
  21. Twelvefold MediaChief Technology Officer2008 — 2009San Francisco Bay Area
  22. ActiveweaveCo-founder + Chief Technology Officer2005 — 2008San Francisco Bay Area

Skills & more

Venture CapitalStart-ups89Entrepreneurship68Fundraising14Product Strategy6Strategy28Leadership18Software Engineering39Product Development8Software Project Management15Product Management40Distributed Systems42
+8 moreScalabilityArchitectureMobile ApplicationsMobile DevicesEnterprise SoftwareSoftware DevelopmentUser ExperienceUser Experience Design

Languages English · French

From Jean's professional profile.

Investments

Investor

Actual AIAirfoldAlectioAntheiaArchitect.ioAtomicCanvaMedigateMedigate by ClarotyMemfaultModiqoObjective

Per curated public sources.

Frequently asked questions

Who is Jean Sini?
Jean Sini is managing partner of Irregular Expressions, with investments in companies including Canva, Bubble.io, People.ai, Memfault, Medigate and Bison Trails. He previously served as VP of engineering at Mint, Ring and Porch, as CTO of Cadre, One Kings Lane and Twelvefold Media, and as co-founder and CTO of Fountain and Activeweave.
Where does Jean Sini work?
Jean Sini is Managing Partner at Irregular Expressions.
What check size does Jean Sini write?
Jean Sini typically writes checks of $100K – $12M.
What companies has Jean Sini invested in?
Investments tracked here include Actual AI, Airfold, Alectio, Antheia, Architect.io, Atomic, Canva, Medigate, Medigate by Claroty, Memfault, Modiqo, Objective.
Where did Jean Sini go to school?
Jean Sini studied at Télécom Paris (MS, Computer Science); Pierre and Marie Curie University (DEA, Computer Systems, Distributed Computing).

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