Angel investor. 5 companies backed across 5 recorded rounds, Oct 2020 – Mar 2025.
Sectors of the companies in the portfolio, by company count.
Head-office city of the companies in the portfolio.
Rounds by stage.
Total size of the rounds they joined — an angel's own cheque is a share of this, and is not disclosed.
Every company Jason Warner appears as an investor in, most recent round first.
| Company | City | Sectors | Latest round | Rounds | Round value |
|---|---|---|---|---|---|
| ConfigHub | Menlo Park | DevOps | Seed Mar 2025 | 1 | $4M |
| Patronus | New York City | AI InfrastructureArtificial Intelligence | Series A May 2024 | 1 | $17M |
| Client Side Development | CybersecurityAnti Fraud ManagementPayment Fraud Prevention | Unattributed May 2024 | 1 | $1.7M | |
| Outway Socks | Victoria | Fashion TechB2C E-CommerceInternet First Fashion Brands | Angel May 2022 | 1 | $3.2M |
| Balsa | San Francisco | Construction TechConstruction Project Management | Seed Oct 2020 | 1 | $4.5M |
Investors that appear in the same rounds. Two names in one round is what "invested together" means here — it is not a claim about a relationship off the cap table.
| Investor | Type | Based | Shared rounds | Shared companies |
|---|---|---|---|---|
| Aparna Sinha | Angel | 2 | 2 | |
| Dan Scheinman | Angel | 1 | 1 | |
| Glenn Solomon | Angel | 1 | 1 | |
| Rasool Rayani | Angel | Victoria | 1 | 1 |
| Roar Ventures | Firm | 1 | 1 | |
| Nadim Hossain | Angel | 1 | 1 | |
| April Underwood | Angel | San Francisco | 1 | 1 |
| Crane Venture Partners | Firm | London | 1 | 1 |
| Worklife | Firm | San Francisco | 1 | 1 |
| Drew Houston | Angel | San Francisco | 1 | 1 |
| Stu Bailey | Angel | 1 | 1 | |
| Shane Parrish | Angel | Ottawa | 1 | 1 |
| Factorial | Firm | 1 | 1 | |
| Datadog | Firm | New York City | 1 | 1 |
| Nick Gianos | Angel | 1 | 1 | |
| Operator Collective | Firm | San Francisco | 1 | 1 |
| Andrew Wilkinson | Angel | Victoria | 1 | 1 |
| Gokul Rajaram | Angel | San Francisco | 1 | 1 |
| Carla Matheson | Angel | 1 | 1 | |
| Scott Belsky | Angel | 1 | 1 |