John Collison
Angel Investor
San Francisco, United States
John Collison is a President and Co-founder at Stripe. He attended Harvard University.John and his brother Patrick Collison started Stripe in 2010 while John was studying physics at Harvard. Their goal was to make accepting payments online simpler and more inclusive, after learning firsthand how difficult it was. Today, the 100+ person (andgrowing) Stripe team powers online businesses around the world.Before Stripe, John co-founded Auctomatic, which was acquired by Live Current Media in March 2008. Originally from Limerick, Ireland, John lives in San Francisco, California, where Stripe is based.
- Total investments:
- 49
- Last investment:
- Lead investor:
- 8%
Last updated:
For AI agents: llms.txt
Industries John Collison invests in
Stages John Collison invests in
Countries John Collison invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $1M–$15M
- Series A
- $13M–$31M
- Series C
- $20M–$170M
Investment Focus
Industry
- Software 15 (31%)
- Artificial Intelligence 14 (29%)
- SaaS 5 (10%)
- Financial Services 5 (10%)
- Enterprise Software 5 (10%)
Stage
- Seed 16 (33%)
- Series A 14 (29%)
- Series C 7 (14%)
- Series B 5 (10%)
- Venture - Series Unknown 3 (6%)
Country
- United States 32 (65%)
- United Kingdom 5 (10%)
- France 1 (2%)
- Ireland 1 (2%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| SendCutSend is an online custom manufacturing service specializing in rapid, high-precision sheet metal fabrication and CNC machining. Customers simply upload their digital design files to get professional-grade parts manufactured and shipped to their door, with turnaround times as fast as 24 hours. | $110M / Series A / May 19, 2026 | ||
| Poke is an artificial intelligence assistant that functions as a single iMessage thread that links to files, calendars, and emails before acting. | $10M / Seed / Apr 08, 2026 | ||
| Centivax is a healthcare-based agency that provides biotechnology, pharmaceutical, medical device manufacturing, and therapeutic services. | $37M / Venture - Series Unknown / Mar 30, 2026 | ||
| Entrepreneurs First provides programs that identify individuals interested in building technology companies and support them through the early stages of company formation. The organization evaluates applicants as individuals and brings selected participants into cohorts where they explore ideas, connect with potential cofounders, and form startupteams. Participants receive guidance on idea development, product validation, and company creation while preparing to seek venture funding. Entrepreneurs First also provides financial backing and structured programs that include workshops, mentorship, and networking with investors. Through these activities, the organization facilitates the transition from individual participants to newly formed startup companies. | $200M / Series D / Mar 11, 2026 | ||
| MatX, a manufacturer of computer chips, is dedicated to constructing a computing platform for artificial general intelligence (AGI). Their specialty lies in creating hardware that combines profound domain experience tailored for large language models, graphics processing units, and various machine-learning models. By doing so, MatX aims to empowerdevelopers and programmers to enhance the efficiency, speed, and affordability of AI applications. | $500M / Series B / Feb 24, 2026 | ||
| Monaco functions as a unified system of record, building total addressable market data, running outbound campaigns, capturing interactions, and managing pipeline activity within a single environment. It includes account databases, intent and signal tracking, sequencing tools, pipeline management, and call recording to support demand generationthrough conversion. Monaco automates account discovery, enrichment, and scoring to keep target markets current. Its onboarding process establishes TAM, configures sequences, overlays signals, and imports existing pipeline data from day one. | $25M / Series A / Feb 11, 2026 | ||
| Flow is the first engineering data platform built for agile engineering teams. Flow helps teams stay integrated with the correct data, regardless of which tool they are working in. | $23M / Series A / Oct 14, 2025 | ||
| Poke is an artificial intelligence assistant that functions as a single iMessage thread that links to files, calendars, and emails before acting. | $15M / Seed / Sep 08, 2025 | ||
| Rivan Industries designs and builds modular, vertically integrated, synthetic fuel plants. | $13.4M / Seed / May 21, 2025 | ||
| NewLimit specializes in treating age-related diseases to extend the human health span. It works on developing epigenetic reprogramming medicines to treat diseases with large unmet needs. | $130M / Series B / May 06, 2025 | ||
| See all 49 investments → | |||
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FAQ
What does John Collison invest in?
John Collison invests primarily in Software, Artificial Intelligence and SaaS startups, most often at Seed and Series A stage. Most of the 49 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is John Collison's check size?
John Collison typically joins rounds of $1M–$15M at Seed, $13M–$31M at Series A and $20M–$170M at Series C. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds John Collison participates in.
How do I contact John Collison?
Public channels for John Collison include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did John Collison last invest?
The most recent investment recorded for John Collison closed in May 2026. Shizune tracks 49 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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