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Sean O'Bannon

2x founder

Sean O'Bannon

Co-Founder at Cranston - Hiring!

Co-founderCranston AI logoCranston AI· Fall 2025🇺🇸 San Francisco, California, United States
in LinkedIn𝕏 @seanobannon_
2025Co-founder· Cranston AI
Founder · since 2019
Company
Cranston AI
Role
Co-Founder
current
Stage
—
no public source
Raised
—
no public source
Based
—
Founder / co-founder — the company's markEmployee / research role
Source: LinkedIn work history
Profile coverage5 of 7 · missing posts, contact
Cranston AI logo
Cranston AI

AI Tax prep and accounting software for CPA firms

Fall 2025

Experience

Career

  • Cranston AI logo

    Cranston AI

    Co-founder

    Co-Founder · 2025 – Present

    2025
  • ReMatter Inc. logo

    ReMatter Inc.

    Co-founder

    Co-Founder · 2019 – 2024

    2019
  • Databricks logo

    Databricks

    ML · San Francisco Bay Area · 2019

    2019

Bio

Founder at Cranston AI (F25). Prev Stanford CS + AI, Founder + CTO at ReMatter, ex Databricks