Jason Spinell
Manager @ Slack
New York, United States
Jason Spinell is a seed investor at Slack in New York focused on Software and SaaS. Jason Spinell - Manager @ Slack
- Total investments:
- 22
- Last investment:
- Lead investor:
- 32%
Last updated:
For AI agents: llms.txt
Industries Jason Spinell invests in
Stages Jason Spinell invests in
Countries Jason Spinell invests in
Investment Focus
Industry
- Software 10 (45%)
- SaaS 6 (27%)
- Enterprise Software 5 (23%)
- Information Technology 3 (14%)
- Messaging 2 (9%)
Stage
- Seed 8 (36%)
- Series A 7 (32%)
- Series B 4 (18%)
- Series C 1 (5%)
- Funding Round 1 (5%)
Country
- United States 14 (64%)
- United Kingdom 1 (5%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
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 | |
| See all 22 investments → | |||
Co-Investors
About Slack
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.
Slack Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Jason Spinell
Manager
|
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Matt Loop
Head of Asia Pacific
|
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Steve Wood
VP of Product and Developer Platform
|
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Cal Henderson
Co-Founder and CTO
|
|||
Eric Costello
Co-founder
|
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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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