John Collison was 17 when an online-commerce company that grew out of a venture he started with his older brother was sold in a deal described at roughly $5 million in cash and stock. The sale was announced in March 2008 and completed that May. He still had secondary school to finish in Ireland.
The first sale preceded a very different undertaking with his brother Patrick: simplifying the way software developers accepted payments online. The two began writing Stripe’s first code while studying at American universities and cofounded the company in 2010.
Stripe’s business would grow far beyond its original payment integration. As cofounder and president, John remained in its leadership through international expansion, a major round of layoffs and a widening push into financial infrastructure.
A Quick Look at the Life of John Collison
Biography Summary
John Collison is an Irish entrepreneur and Stripe’s cofounder and president. With his older brother Patrick, he built a payments company that expanded into wider financial infrastructure. His earlier business experience, unfinished Harvard studies and activities in Irish aviation and infrastructure form other parts of his story.
Profile
Full Name: John Collison
Born: 1990
Raised: Dromineer, County Tipperary, Ireland
Education: Castletroy College, Limerick; attended Harvard University without completing a degree
Best Known For: Cofounding Stripe, a payments and financial-infrastructure company
Company: Stripe
Role: Cofounder and president (Patrick Collison is cofounder and CEO)
Recognition: Joint recipient with Patrick of Ireland’s 2015 EY Entrepreneur of the Year award
Growing Up in Dromineer, Looking Beyond Ireland
John and Patrick Collison grew up in Dromineer, a village on Lough Derg in County Tipperary. Their father, Denis, had trained in electronic engineering, and their mother, Lily, in microbiology. Accounts of the family describe a household where scientific and technical interests were encouraged.
The family’s internet connection was an expensive satellite service, but it offered a window into commerce far beyond rural Ireland. John later recalled a mismatch: software could reach people around the world, while getting those customers to pay online was far more cumbersome. The brothers eventually built their next company around that difficulty.
John attended Castletroy College in Limerick. His interests extended beyond programming: a contemporary school profile described his participation in debating and academic activities, as well as piano and pilot training. In 2009 he completed the Irish Leaving Certificate with ten A grades, including eight A1 grades, before going to Harvard University that September.
A First Business and the Auctomatic Sale
John’s first venture began before he finished secondary school. In early 2007, he and Patrick started an e-commerce software company in Limerick, commonly called Shuppa. On a suggestion from startup accelerator Y Combinator, their project joined a similar effort involving Harjeet and Kulveer Taggar.
The resulting business became associated with Auctomatic, software designed to help professional online sellers manage listings, inventory and sales on marketplaces such as eBay. It attracted startup backing and a buyer relatively quickly. Communicate.com, which was becoming Live Current Media, announced the acquisition on March 26, 2008.
The transaction closed on May 22, 2008. Its terms called for approximately $2 million in nominal cash consideration, subject to adjustments, and $3 million in buyer stock at the agreed reference price. The resulting $5 million headline figure described a combined transaction, not a cash payment personally received by John.
John was a principal shareholder and had helped originate the Collisons’ earlier business. The Auctomatic merger agreement named Patrick and the two Taggars as founders; John was not named in that contractual category. While Patrick took a role with the buyer, John remained in Ireland to finish secondary school.
Years later, Patrick recalled that Auctomatic had made technically sophisticated choices but attracted relatively few customers. He described the experience as a lesson in focusing on what users actually needed. It was a perspective from the brothers’ first business, not a simple blueprint for what came next.
Harvard, a Side Project and the First Stripe Code
John entered Harvard in September 2009; Patrick studied at MIT. The brothers’ next project began while both were at university. John later dated the earliest Stripe programming precisely: “The first lines of code we wrote were in October 2009.”
The opportunity was one they had encountered through online commerce. Businesses could build a website, but accepting payments often involved awkward integrations and multiple financial intermediaries. The Collisons worked on software intended to make the developer’s part of that process simpler. John recalled that the project steadily became more important than their studies, and he ultimately left Harvard without completing a degree.
Patrick later recalled a 2009 Y Combinator Startup School event and a dinner in San Francisco among the early steps toward a payments prototype. John offered a less instantaneous account of how businesses take shape: “It’s actually much more of an iterative process.”
John and Patrick cofounded Stripe in 2010. The service allowed websites and applications to accept payments through software interfaces designed for developers. A March 2011 report described about $2 million in early financing while the service was being tested. Stripe publicly launched later in 2011.
The early product was often described as letting developers add payments with only a few lines of code. Behind that shorthand was a broader change: Stripe would handle much of the financial complexity that businesses had previously needed to navigate themselves.
From a Payment Tool to International Infrastructure
Stripe’s work broadened as online businesses needed more than one-off card transactions. Stripe Connect, launched in 2012, provided payments capabilities for platforms and marketplaces. Stripe Atlas followed in 2016 to help entrepreneurs form US businesses and access payment services. Stripe Terminal, announced in 2018, extended developer-integrated payments into physical locations.
International expansion exposed differences that a single payment interface could not make disappear. John said in 2017 that Stripe had expanded abroad more slowly than he would have preferred. In a 2024 discussion, he emphasized differences among countries’ payment methods, tax systems and purchasing habits. Building for customers outside the United States meant addressing those differences rather than assuming every market worked like the American one.
Throughout that expansion, the brothers kept distinct leadership roles: Patrick as chief executive and John as president. In a 2024 conversation together, John spoke about trust and continuity in their longstanding working relationship. That partnership had already been publicly recognized in Ireland when they jointly won the 2015 EY Entrepreneur of the Year award.
The company’s rising valuation brought another kind of attention. After a 2016 fundraising round valued Stripe at $9.2 billion, Forbes called John, then 26, the world’s youngest self-made billionaire. The designation reflected an estimate of his stake in a private company at that time, not money he held in cash.
Stripe also moved beyond its financial products. In October 2020, it launched Stripe Climate, through which participating businesses could support permanent carbon removal. John later publicly defended the company’s continued environmental work while some other companies reconsidered social initiatives.
The 2022 Layoffs and a Lower Valuation
Rapid expansion brought a severe test in November 2022. Stripe announced that it would eliminate around 14% of its workforce, or roughly 1,100 positions. In a message to employees, CEO Patrick Collison said he and John accepted responsibility for the decisions behind the cuts. The founders had overestimated the near-term growth of the internet economy and increased costs too quickly.
The financial picture also shifted. Stripe had been valued at $95 billion in 2021. In March 2023, it raised approximately $6.5 billion at a valuation of $50 billion, with the company saying the funding would help employees gain liquidity and cover taxes associated with equity awards. The lower valuation was a substantial reset in what investors were willing to pay for a stake in Stripe; it was not a measure of lost payment volume.
John later described Stripe’s continuing preference for private ownership and the use of employee share-sale programs. He did not present an imminent public listing as a requirement for operating the company.
Stablecoins and Stripe’s Next Expansion
Stripe subsequently pushed into infrastructure for additional ways to move money. In October 2024 it agreed to acquire Bridge, a stablecoin infrastructure provider, in a transaction reported at about $1.1 billion. Stripe confirmed that the acquisition closed on February 4, 2025.
John explained the attraction in terms of moving money across borders. He presented stablecoins as payment infrastructure, not only as assets for speculation, although such systems still carry financial, operational and regulatory risks.
By February 2026, Stripe reported that businesses on its platform had generated $1.9 trillion in payment volume during 2025, up 34% from the previous year. The company described itself as profitable and announced a tender offer for employees and former employees that implied a $159 billion private valuation. That payment volume belonged to Stripe’s business customers; it was not Stripe’s revenue.
Stripe’s next announced initiatives reached toward payments involving autonomous software and financing for businesses. It unveiled the Machine Payments Protocol in March 2026 and agreed to acquire OpenRouter in August and Parafin in September. As of October 21, 2026, those acquisitions had been announced, not confirmed as completed.
Aviation, Weston Airport and Ireland’s Building Debate
Alongside Stripe, John pursued an interest that dated back to his school years: aviation. He had trained as a pilot while young and, according to a 2025 interview, flew a small aircraft across the Atlantic in 2017. In August 2021, he joined an investor group led by Derick Walshe that acquired a majority interest in Weston Airport near Dublin.
John has described wanting Weston to become a center for general aviation and pilot training, calling himself a steward of important infrastructure. That was his ambition for an airport owned by a wider investor group, rather than a claim that all the planned improvements were already finished.
His interest in Irish infrastructure also became a public argument. In an October 2025 essay for The Irish Times, John contended that overlapping institutions, planning procedures and weak mechanisms for public trade-offs were holding back building, including housing, transport and energy projects. He disclosed his support for Progress Ireland, a think tank advocating change.
His argument drew both support and criticism. Specialists differed over how much of Ireland’s building problem could be attributed to regulation rather than other constraints. The disagreement concerned his policy diagnosis and proposed changes.
A Continuing Role at Stripe
As of October 21, 2026, John remains Stripe’s cofounder and president, with Patrick as CEO. The company is still privately held. In February 2026, John said there was no imminent plan for a stock-market listing; the $159 billion figure announced that month was a private tender-offer valuation, not a public share price.
John has also taken on a public role as an interviewer. He began hosting the Stripe-produced podcast Cheeky Pint in June 2025, speaking with founders and technology leaders. That project sits alongside his work in aviation and Ireland’s infrastructure debate.
The problem that first drew the brothers toward Stripe was how difficult it could be to accept payments online. The business they built now reaches into a wider range of financial services and new kinds of transactions. Its layoffs and changing valuations show that this expansion has not been without setbacks. John remains part of that unfinished story as Stripe’s president.
Timeline
These milestones trace John Collison’s early ventures, Stripe’s changing scope and selected public activities through October 2026.

1990
John Collison is born. He grows up in Dromineer, County Tipperary, Ireland.
2007
John and Patrick establish their early e-commerce venture in Limerick; it later joins with the Taggars’ project associated with Auctomatic.
March–May 2008
Auctomatic’s acquisition is announced on March 26 and completed on May 22. John remains in Ireland to finish school.
2009
John earns ten Leaving Certificate A grades and starts at Harvard in September. According to his later account, the brothers write Stripe’s first code in October.
2010–2011
John and Patrick found Stripe in 2010. Early financing is reported in March 2011, and the service publicly launches that year.
2012
Stripe launches Connect for platforms and marketplaces.
2015
The Collison brothers jointly win Ireland’s EY Entrepreneur of the Year award.
2016
Stripe announces Atlas. Following a fundraising valuation, Forbes describes John as the youngest self-made billionaire at that time.
2018
Stripe announces Terminal, expanding its developer-integrated tools into in-person payments.
2020
Stripe launches Stripe Climate to fund permanent carbon removal.
2021
John joins the investment group acquiring a majority stake in Weston Airport. Stripe reaches a reported $95 billion private valuation.
2022–2023
Stripe announces layoffs affecting about 14% of staff in November 2022. A March 2023 funding round values the company at $50 billion.
2024–2025
Stripe announces its Bridge acquisition in October 2024 and closes it in February 2025. Cheeky Pint, hosted by John, debuts in June 2025, and he publishes an Irish infrastructure essay in October.
February 2026
Stripe reports $1.9 trillion in 2025 payment volume and a private tender offer implying a $159 billion valuation.
March–September 2026
Stripe announces the Machine Payments Protocol and agreements to acquire OpenRouter and Parafin. The two proposed acquisitions are not described here as completed.
FAQs
Did John Collison graduate from Harvard?
No. John entered Harvard in September 2009 and left without completing a degree to work on Stripe.
Was John Collison a cofounder of Auctomatic?
John helped start the earlier Collison venture that joined with a project involving Harjeet and Kulveer Taggar to become Auctomatic. He was a major shareholder, but the 2008 merger agreement named Patrick and the two Taggars as its founders, not John.
Did John Collison receive $5 million from the Auctomatic sale?
No personal $5 million cash payment to John is established. The headline figure described the overall cash-and-stock deal, subject to adjustments. The acquisition was announced in March 2008 and closed on May 22.
When did John Collison start Stripe?
John said the brothers wrote their first Stripe code in October 2009. John and Patrick cofounded the company in 2010, and Stripe publicly launched in 2011.
Is John Collison Stripe’s CEO?
No. John is Stripe’s cofounder and president. His older brother, Patrick Collison, is the company’s cofounder and chief executive officer.
Is Stripe publicly traded?
No. As of October 21, 2026, Stripe remains privately held. Its $159 billion valuation announced in February 2026 came from a private employee and former-employee tender offer, not trading on a public stock exchange.
Why was John Collison called the youngest self-made billionaire?
Forbes used that description in 2016, when John was 26, after a funding round valued the privately held Stripe at $9.2 billion. It was a contemporary estimate based on ownership value, not a measurement of personal cash holdings or an enduring record.
Interviews
John and Patrick on Stripe’s Early Days (2016)
This Irish Times interview captures the brothers reflecting on Stripe’s earliest programming and the move from university life toward building a company. John’s recollection of the first lines of code gives readers a specific starting point for the business.
John Collison on Building and Expanding a Startup (2017)
In this WIRED interview, John discusses how products develop through iteration and why operating in other countries proved challenging. It adds his own perspective to the story of Stripe’s early growth rather than reducing it to fundraising milestones.
Patrick and John Collison at Stripe Sessions (2024)
The brothers discuss their working partnership and how financial systems differ around the world. Their distinct answers also offer a view of the complications behind the seemingly simple idea of making online payments easier.
Watch or read the conversation
John Collison on Stripe, Stablecoins and Aviation (2025)
This Irish Times interview follows Stripe’s longer-term business decisions, the growing role of stablecoins and John’s views on remaining a private company. It also covers his aviation interests and commitments to environmental initiatives.
Cheeky Pint: Conversations Hosted by John Collison
John hosts this Stripe-produced series of conversations with founders and technology leaders. The episodes give readers an opportunity to hear him as an interviewer and to explore the business questions he chooses to discuss with his guests.
Sources
- Stripe: Stripe leadership and newsroom, Patrick and John Collison AMA (2024), Patrick Collison’s 2022 employee message, Stripe completes Bridge acquisition
- Stripe: Announcing Stripe Atlas, Stripe Climate launch, Stripe 2025 annual letter and 2026 tender offer, Stripe agrees to acquire OpenRouter
- Stripe: Stripe agrees to acquire Parafin, Machine Payments Protocol announcement, Stripe Terminal launch, Stripe Connect history
- The Irish Times: John Collison before Harvard, Limerick teens sell software firm, Earning their Stripe: Interview with the brothers, Brothers secure early Stripe funding
- The Irish Times: John Collison interview (2025), Weston Airport investor group, John Collison on Irish infrastructure, Collison brothers win EY award
- WIRED: The untold story of Stripe, John Collison on startup success
- US Securities and Exchange Commission: Live Current Media 2008 Form 10-K: Auctomatic merger
- Forbes: Stripe financing and Forbes billionaire estimate
- TechCrunch: Stripe reduces workforce by 14%
- Reuters: Stripe raises funding at a $50 billion valuation
- Bloomberg: Bridge acquisition announcement, Stripe’s $159 billion private valuation
- The Journal: Expert responses to infrastructure proposals
- Apple Podcasts: Cheeky Pint podcast directory
- Irish Independent: Background on Patrick and John Collison
- Y Combinator: Auctomatic company entry
- UC Berkeley Haas: Patrick Collison on Stripe’s beginnings