Fundraising Fox

Jean Sini

Investor

Venture Partner at Partech Ventures

New York, New York

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

About

Jean Sini is the founder and managing partner of Irregular Expressions, where he invests in technical founders at pre-seed and seed stages in data, infrastructure, security AI, and developer tools. He has over two decades of experience building and scaling startups as a co-founder while leading engineering teams, and has been advising and investing in founders since 2012. He has focused full-time on investing in infrastructure software since 2018.

Experience

  1. Irregular ExpressionsFounder + Managing Partnercurrent2018 — presentNew York, New York, United States
  2. CanvaInvestor + Advisorcurrent2012 — presentSydney, Australia
  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 — presentGreater New York City Area
  8. KickpayInvestor + Advisor2014 — 2023San Francisco Bay Area
  9. MindKick Inc.Investor2017 — 2022San Francisco
  10. First Round CapitalAngel Track2018 — 2019Greater New York City 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 — 2018Greater New York City 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

Education

  1. Télécom ParisMS, Computer Science1993 — 1996
  2. Pierre and Marie Curie UniversityDEA, Computer Systems1995 — 1996

Skills & more

Enterprise Software27Web 2.014JavaScript14SaaS12Java6CSS3Scala2Cascading Style Sheets (CSS)2Software as a Service (SaaS)2Venture CapitalStart-ups89Entrepreneurship68
+12 moreFundraisingProduct StrategySoftware EngineeringProduct DevelopmentSoftware Project ManagementProduct ManagementDistributed SystemsScalabilityArchitectureMobile ApplicationsMobile DevicesSoftware Development

Languages English · French · Spanish

From Jean's professional profile.

Same school

Shared employers

Colleagues at Partech Ventures