Vivek Ramaswami
Angel Investor @ Madrona
San Francisco, United States
Vivek Ramaswami is a Series A investor at Madrona in San Francisco focused on Cyber Security and Developer Tools. Vivek focuses on early-growth investment opportunities. Prior to joining Redpoint, Vivek was in the technology, media and telecommunications investment-banking division of Goldman Sachs, where he focused on large-scale enterprise, storage, and SaaS businesses. He helped advise a number of clients on mergers and acquisitions, spin-offs, and equityand debt financings. At Goldman Sachs, Vivek worked with companies such as Hewlett-Packard, NetApp, Tableau Software, RingCentral, InfoBlox, SanDisk, and others. He earned a bachelor’s degree from the Richard Ivey School of Business at the University of Western Ontario.Vivek is an avid runner, novice backpacker, and a proud Canadian.
- Total investments:
- 1
- Last investment:
- Lead investor:
- 100%
Last updated:
For AI agents: llms.txt
Industries Vivek Ramaswami invests in
Stages Vivek Ramaswami invests in
Countries Vivek Ramaswami invests in
Contacts
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Investment Focus
Industry
- Cyber Security 1 (100%)
- Developer Tools 1 (100%)
- Artificial Intelligence 1 (100%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Gray Swan AI is an AI security company that develops tools for evaluating and protecting large language model deployments. Its platform focuses on identifying vulnerabilities such as jailbreaks, prompt injections, harmful outputs, and other adversarial attacks that can affect AI systems in production. The company offers products including Shade, anautomated red-teaming and vulnerability assessment tool, and Cygnal, a runtime protection layer that monitors and filters AI interactions in real time. Gray Swan’s technology is designed to work with multiple AI providers and is used to test the security and reliability of AI applications, agents, and workflows. The company also operates adversarial testing programs and collaborates with AI researchers and enterprises to study emerging threats and improve AI safety practices. | $40M / Series A / May 28, 2026 |
Co-Investors
About Madrona
Madrona Venture Group is a Seattle-based venture capital firm. The firm prefers to invest in businesses that are involved in information technology, e-commerce, digital media, advertising, software, gaming, data, analytics, mobile, and infrastructure.
Madrona Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Chris Picardo
Senior Associate
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Hope Cochran
Managing Director
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John Torrey
Venture Partner
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Jon Turow
Partner
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Len Jordan
Managing Director
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FAQ
What does Vivek Ramaswami invest in?
Vivek Ramaswami invests primarily in Cyber Security, Developer Tools and Artificial Intelligence startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Vivek Ramaswami?
Public channels for Vivek Ramaswami include LinkedIn and X (Twitter). 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 Vivek Ramaswami last invest?
The most recent investment recorded for Vivek Ramaswami closed in May 2026. Shizune tracks 1 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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