# Jason Spinell

> Jason Spinell is a seed investor at Slack (New York) backing Software and SaaS. See 22 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Slack](https://shizune.co/investors/profile/slack)
- Location: New York, United States
- Total investments: 22
- Last investment: Aug 2025
- Lead investor: 32%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jasonspinell

Jason Spinell is a seed investor at Slack in New York focused on Software and SaaS. Jason Spinell - Manager @ Slack

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 10 | 45% |
| SaaS | 6 | 27% |
| Enterprise Software | 5 | 23% |
| Information Technology | 3 | 14% |
| Messaging | 2 | 9% |

36 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 8 | 36% |
| Series A | 7 | 32% |
| Series B | 4 | 18% |
| Series C | 1 | 5% |
| Funding Round | 1 | 5% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 14 | 64% |
| United Kingdom | 1 | 5% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Bluefish Labs | Bluefish helps brands turn AI into a powerful new marketing channel to reach consumers and tell their story online. | $20M | Series A | Aug 20, 2025 |  |
| Ensemble AI | Ensemble introduces Dark Matter, a net-new ML algorithm that creates richer representations of your data to make any model, in any domain, perform better. | $3.3M | Seed | Sep 26, 2024 |  |
| Ensemble AI | Ensemble introduces Dark Matter, a net-new ML algorithm that creates richer representations of your data to make any model, in any domain, perform better. | $3.3M | Seed | Sep 26, 2024 |  |
| Gatheround | Gatheround is a team bonding and community engagement platform for people-focused organizations seeking to build relationships and strengthen teams in an era of disconnection and distraction. We make it simple and effortless to bring people together online in a way that’s both wildly fun and deeply meaningful. | $8M | Series A | Oct 31, 2023 |  |
| Courier | Courier offers an API that lets developers intelligently route user notifications across their existing channels – like SendGrid, Twilio, Slack, and Facebook Messenger – using factors like "is the user online?" and "which channel has produced the most engagement for this user previously?" | $35M | Series B | Jun 22, 2022 |  |
| Tango | Tango allows you to automatically create beautiful step-by-step guides with screenshots, in seconds. It's really that easy! Just hit ‘capture’ and we do the rest - Tango captures your workflow, generating screenshots and automated descriptions of even your most complicated processes. | $14M | Series A | Jun 15, 2022 |  |
| Oyster | Oyster is on a mission to create a more equal world by making it possible for companies everywhere to hire people anywhere. The company's HR platform for globally distributed companies enables growing organizations to give valued international team members the experience they deserve, without the usual headaches or expense. Oyster empowershiring anywhere in the world with reliable, compliant payroll and great local benefits and perks. Founded in January 2020 by Tony Jamous and Jack Mardack, Oyster is itself a fully remote company with a diverse, globally distributed team. | $150M | Series C | Apr 20, 2022 |  |
| MindLabs | MindLabs is the world's first live mental health platform. | $3.4M | Seed | Oct 07, 2021 |  |
| Oyster | Oyster is on a mission to create a more equal world by making it possible for companies everywhere to hire people anywhere. The company's HR platform for globally distributed companies enables growing organizations to give valued international team members the experience they deserve, without the usual headaches or expense. Oyster empowershiring anywhere in the world with reliable, compliant payroll and great local benefits and perks. Founded in January 2020 by Tony Jamous and Jack Mardack, Oyster is itself a fully remote company with a diverse, globally distributed team. | $50M | Series B | Jun 22, 2021 |  |
| Privacy Dynamics | Data privacy tools built for analytics engineers and the modern data stack. | $4M | Seed | Mar 01, 2021 |  |

10 of 22 investments shown.

## Co-investors
- [Salesforce Ventures](https://shizune.co/investors/profile/salesforce-ventures) — VC Fund, 6 deals together
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 6 deals together
- [Avid Ventures](https://shizune.co/investors/profile/avid-ventures) — VC Fund, 4 deals together
- [Emergence Capital](https://shizune.co/investors/profile/emergence-capital-partners) — VC Fund, 4 deals together
- [Emergence Capital](https://shizune.co/investors/profile/emergence-capital-095d) — VC Fund, 3 deals together
- [Acadian Ventures](https://shizune.co/investors/profile/acadian-ventures) — VC Fund, 2 deals together

## About Slack

VC Fund · San Francisco, United States

Slack is a cloud-based communication and collaboration platform for teams. It allows users to exchange messages, share files, and integrate with various business tools and services. Slack is commonly used across various industries, from tech startups to large enterprises.

5 contacts available at Slack.

| Name | Title | Profile |
| --- | --- | --- |
| Jason Spinell | Manager | https://shizune.co/investors/profile/jason-spinell |
| Matt Loop | Head of Asia Pacific | https://shizune.co/investors/profile/matt-loop |
| Steve Wood | VP of Product and Developer Platform | https://shizune.co/investors/profile/steve-wood-2-2 |
| Cal Henderson | Co-Founder and CTO | https://shizune.co/investors/profile/cal-henderson |
| Eric Costello | Co-founder | https://shizune.co/investors/profile/eric-costello |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Jason Spinell invest in?

Jason Spinell invests primarily in Software, SaaS and Enterprise Software startups, most often at Seed and Series A stage. Most of the 22 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Jason Spinell last invest?

The most recent investment recorded for Jason Spinell closed in Aug 2025. Shizune tracks 22 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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