John Collison

Aug 6, 1990Dromineer, IrelandIrishAge 35
Tech FounderActiveStripe President
Net Worthest
$10B+
Stripeverified
$65B valuation — co-founder
Harvard
Dropped out to build Stripe
Youngest
Self-made billionaire at 27 — record

John Collison — Net Worth and Career Earnings

John Collison has an estimated net worth of over $10 billion as of 2026. He co-founded Stripe with his older brother Patrick after dropping out of Harvard University after one semester. In 2018 he became the world's youngest self-made billionaire at age 27. As Stripe's President, he oversees international expansion and product strategy while Patrick leads as CEO.

Wealth

Net Worth
$10B+ est
Stripe
President and co-founder
Youngest billionaire
27 — self-made record in 2018
Harvard
Dropped out 2009
Irish
From same small Irish town as Patrick

Stripe

Role
President
Co-founded
With brother Patrick — 2010
Valuation
$65B (2023)
Harvard
Left after one semester
Recognition
Forbes 30 Under 30 — multiple
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