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Jack O'Brien

Founder

Founder at Subconscious

Boston, Massachusetts, United States

FoundedSubconsciousSubconscious

Find your path to Jack

521 people in our graph share verified history with Jack — schools, employers, funds. One of them is your warm intro.

Ken ChenaultunlockedJack: together at IBM (2017–2018)
×2Jack: together at MIT Sloan School of Management
×3Jack: together at Massachusetts Institute of Technology
×4Jack: together at Princeton University

About

Jack O'Brien is the Co-Founder and CEO of Subconscious, which develops infrastructure to support AI agents. He was previously a founder of two companies that reached exits, and worked as a software engineer and tech lead at Google.

Founder at Subconscious

Intro paths

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In turn, Jack can intro founders to Subconscious's investors below.

Subconscious's investors · 5

Entrepreneur FirstBengaluru · $1M – $7M checksFoothill VenturesLos Altos · $100K – $10M checksMassVenturesWaltham · $250K – $500K checksOakseed VenturesYourNest Venture CapitalGurgaon · $500K – $17M checks

Founder at Subconscious

Intro paths

→

In turn, Jack can intro founders to Subconscious's investors below.

Subconscious's investors · 3

Entrepreneur FirstBengaluru · $1M – $7M checksGeek VenturesNew York · $200K – $800K checksYourNest Venture CapitalGurgaon · $500K – $17M checks

Experience

  1. SubconsciousCo-Founder & CEOcurrent2025 — presentCambridge, Massachusetts, United States
  2. AtomicFounder in Residence2024
  3. Sandhill MarketsCTO2022 — 2023New York, New York, United States
  4. Sandhill MarketsDirector of Engineering2022New York, New York, United States
  5. OnePagerCo-Founder & CTO2020 — 2022New York, New York, United States
  6. GoogleSoftware Engineer & Tech Lead2018 — 2021New York, New York, United States
  7. IBMSoftware Engineer & Consultant2017 — 2018New York City Metropolitan Area
  8. Tiger Bed Rentals, LLCCo-Founder2016 — 2018

Skills & more

Computer Science9Entrepreneurship3Product Management3Agile Methodologies3Consulting1Test Driven Development2Software Development2TypeScript1Leadership9Public Speaking7Teamwork5Design Thinking3
+12 moreBlockchainJavaScriptNode.jsPythonJavaDockerAngular 5Hyperledger FabricHyperledger ComposerSQLReact.jsGoogle Cloud Platform (GCP)

Languages English

  • Heartsaver First Aid CPR AED — American Heart Association
  • Docker Essentials: Extend Your Apps With Containers — IBM
  • IBM Design Thinking Practitioner — IBM
  • IBM Blockchain Foundation Developer — IBM
  • IBM Blockchain Consulting — IBM
  • Cognitive Practitioner — IBM

From Jack's professional profile.

Frequently asked questions

Who is Jack O'Brien?
Jack O'Brien is the Co-Founder and CEO of Subconscious, which develops infrastructure to support AI agents. He was previously a founder of two companies that reached exits, and worked as a software engineer and tech lead at Google.
Where does Jack O'Brien work?
Jack O'Brien is Founder of Subconscious.
What companies did Jack O'Brien found?
Jack O'Brien founded Subconscious, Subconscious.
Where did Jack O'Brien go to school?
Jack O'Brien studied at Princeton University (Bachelor of Science in Engineering, Department of Computer Science); MIT Sloan School of Management (Master of Business Administration - MBA); Massachusetts Institute of Technology (Master of Business Administration - MBA).

Founder mafias

Subconscious mafia2

Also came through, then founded or led a company.

Pablo CruzCo-Founder | Revenue + ProductFounded Booster

Same school

Shared employers

Also worked at Sandhill Markets1

Kobi ShkuriInvestment Committee at eSeed