Joe Morrissey
General Partner @ Andreessen Horowitz
San Francisco, United States
Joe Morrissey is a General Partner at Andreessen Horowitz. Additionally, Joe Morrissey has had 6 past jobs including CRO at Segment.
- Total investments:
- 8
- Last investment:
- Lead investor:
- 13%
Last updated:
For AI agents: llms.txt
Industries Joe Morrissey invests in
Stages Joe Morrissey invests in
Countries Joe Morrissey invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Series A
- $10M–$65M
- Series B
- $43M–$50M
Investment Focus
Industry
- Artificial Intelligence 4 (50%)
- Software 3 (38%)
- Information Technology 3 (38%)
- Cyber Security 2 (25%)
- Developer Tools 2 (25%)
Stage
- Series A 5 (63%)
- Series B 2 (25%)
- Seed 1 (13%)
Country
- United States 7 (88%)
- United Kingdom 1 (13%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| EV vehicle between the tractor and the trailer to help power the truck and reduce diesel fuel consumption. | $27M / Series A / Aug 02, 2026 | ||
| 11x is an AI and Automation company that builds autonomous digital workers. 11x is on a mission to automate everything and redefine the future of work. | $50M / Series B / Sep 30, 2024 | ||
| Opal Security is a modern, data-centric identity security platform. Opal Security helps organizations reduce access sprawl, manage identity attack surfaces, and enforce policies that are secure by default. Opal Security is based in San Francisco and New York. For more information, please visit www.opal.dev or reach us at hello@opal.dev. | $10M / Series A / Jun 06, 2022 | ||
| Adept AI is a research and product AI lab that automates software processes for developers. It's similar to robotic process automation (RPA), or software robots that use a combination of automation, computer vision, and machine learning to automate repetitive tasks like filing forms and responding to emails. Adept is creating generalintelligence by allowing humans and computers to collaborate creatively. | $65M / Series A / Apr 26, 2022 | ||
| Statsig allows the users to safely test new features in production before rolling out to avoid product debates and ship mistakes. | $43M / Series B / Apr 20, 2022 | ||
| Roboflow's developer tools enable teams to build computer vision models faster and more accurately.We replace ad-hoc code with production infrastructure, enable versioned datasets to be used in any framework, eliminate common errors that reduce model performance. | $20M / Series A / Sep 16, 2021 | ||
| Endgame is transforming enterprise sales by turning every seller into a trusted advisor. In a world where 88% of buyers only purchase from those they trust, yet 80% of sales meetings fail due to poor preparation—we believe there's a better way.We've created the ultimate sales team amplifier by integrating your GTM strategy with first-and third-party data sources: emails, calls, CRM, LinkedIn, news, and financial reports. The result? An intelligent, actionable source of truth for every account and person in your book of business, instantly at your fingertips.With Endgame, your team will never walk into a meeting unprepared again. Endgame isn't just helping your sellers see around corners; we're redefining what it means to stand out in today's market. | $5M / Seed / Jul 13, 2021 | ||
| WorkOS provides APIs to make applications enterprise-ready, with pre-built features and integrations required by IT admins. With WorkOS, users can start selling to enterprise customers with just a few lines of code. WorkOS was founded in 2019 by Michael Grinich and is based in San Francisco, California, United States. | $15M / Series A / May 27, 2020 |
Co-Investors
About Andreessen Horowitz
Andreessen Horowitz supplies capital deployments across multiple development phases, ranging from early-stage seed investments to late-stage growth financing. Its specialized market coverage spans diverse sectors, including artificial intelligence, biological healthcare, consumer technologies, decentralized cryptocurrency networks, financial technology, and enterprise software infrastructure. Beyond capital allocations, the organization delivers operational support services by connecting corporate portfolio entities with a structured ecosystem of technical advisors, executive talent, and industry operators.
Andreessen Horowitz Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Andrew Chen
General Partner
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Anish Acharya
General Partner
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David George
General Partner
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Emily Bennett
investing partner
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Gabriel Vasquez
Partner
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FAQ
What does Joe Morrissey invest in?
Joe Morrissey invests primarily in Artificial Intelligence, Software and Information Technology startups, most often at Series A and Series B stage. Most of the 8 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 Joe Morrissey's check size?
Joe Morrissey typically joins rounds of $10M–$65M at Series A and $43M–$50M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Joe Morrissey participates in.
How do I contact Joe Morrissey?
Public channels for Joe Morrissey include LinkedIn. 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 Joe Morrissey last invest?
The most recent investment recorded for Joe Morrissey closed in Aug 2026. Shizune tracks 8 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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