Rob Toews
Partner @ Radical Ventures
San Francisco, United States
Rob Toews is a Partner at Radical Ventures and was a Principal at Highland Capital Partners. He attended Harvard Business School, Harvard Law School, and Stanford University.
- Total investments:
- 21
- Last investment:
- Lead investor:
- 52%
Last updated:
For AI agents: llms.txt
Industries Rob Toews invests in
Stages Rob Toews invests in
Countries Rob Toews invests in
Contacts
| Type | Contact | Validation |
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| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Artificial Intelligence 8 (38%)
- Software 7 (33%)
- Information Technology 5 (24%)
- Internet 2 (10%)
- Machine Learning 2 (10%)
Stage
- Seed 6 (29%)
- Series A 6 (29%)
- Series C 4 (19%)
- Series B 2 (10%)
- Series D 1 (5%)
Country
- United States 12 (57%)
- Canada 1 (5%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Emerald AI creates a platform that enables AI data centers to adjust power consumption from electricity grids dynamically. This system orchestrates computing loads across data centers to bolster grid reliability. The technology aims to advance AI innovation while ensuring power affordability and electric system stability. | $150M / Series A / Aug 25, 2026 | ||
| Muon Space is an end-to-end space systems company that designs, builds, and operates mission-optimized satellite constellations to deliver critical data and enable real-time compute and decision-making in space. Its proprietary technology stack, Halo™, integrates advanced spacecraft platforms, robust payload integration and management, and apowerful software-defined orchestration layer to enable high-performance capabilities at unprecedented speed – from concept to orbit. With state-of-the-art production facilities in Silicon Valley and a growing track record of commercial and national security customers, Muon Space is redefining how critical Earth intelligence is delivered from space. | $250M / Series C / Aug 20, 2026 | ||
| Emerald AI creates a platform that enables AI data centers to adjust power consumption from electricity grids dynamically. This system orchestrates computing loads across data centers to bolster grid reliability. The technology aims to advance AI innovation while ensuring power affordability and electric system stability. | $90.2M / Venture - Series Unknown / Aug 03, 2026 | ||
| TwelveLabs develops artificial intelligence models and infrastructure for understanding, searching, and analyzing video content. Its platform enables applications to interpret visual, audio, and spoken information within videos, allowing users to perform semantic search, generate summaries, identify events and objects, and extract insights fromvideo data. The company provides APIs and multimodal AI models that support use cases across media, entertainment, security, enterprise knowledge management, and other video-intensive applications. It also conducts research in video understanding and machine learning to improve how AI processes and reasons over video content. | $100M / Series B / Jul 01, 2026 | ||
| Emerald AI creates a platform that enables AI data centers to adjust power consumption from electricity grids dynamically. This system orchestrates computing loads across data centers to bolster grid reliability. The technology aims to advance AI innovation while ensuring power affordability and electric system stability. | $34.2M / Seed / Jul 01, 2025 | ||
| Muon Space is an end-to-end space systems company that designs, builds, and operates mission-optimized satellite constellations to deliver critical data and enable real-time compute and decision-making in space. Its proprietary technology stack, Halo™, integrates advanced spacecraft platforms, robust payload integration and management, and apowerful software-defined orchestration layer to enable high-performance capabilities at unprecedented speed – from concept to orbit. With state-of-the-art production facilities in Silicon Valley and a growing track record of commercial and national security customers, Muon Space is redefining how critical Earth intelligence is delivered from space. | $44.5M / Series B / Jun 12, 2025 | ||
| Unblocked is a continuous integration platform for mobile apps hosted in the cloud. Unblocked was developed as a result of difficult collective experiences spending long periods of time in meetings, putting up with interruptions, and sifting through dated documentation while developing software at businesses like Microsoft, Amazon, Meta, and Apple. | $20M / Series A / May 06, 2025 | ||
| Yutori is part of a slew of AI startups creating autonomous agents, or systems that use AI to perform actions on their own. | $15M / Seed / Mar 27, 2025 | ||
| Writer is the AI writing assistant for the world’s smartest brands. We help brand owners and content leaders scale their messaging, communication style, and must-have language, no matter who’s writing. Top brands like Twitter, Intuit, and McKesson have standardized their content creation on Writer. | $200M / Series C / Nov 12, 2024 | ||
| Muon Space is an end-to-end space systems company that designs, builds, and operates mission-optimized satellite constellations to deliver critical data and enable real-time compute and decision-making in space. Its proprietary technology stack, Halo™, integrates advanced spacecraft platforms, robust payload integration and management, and apowerful software-defined orchestration layer to enable high-performance capabilities at unprecedented speed – from concept to orbit. With state-of-the-art production facilities in Silicon Valley and a growing track record of commercial and national security customers, Muon Space is redefining how critical Earth intelligence is delivered from space. | $56.7M / Series B / Aug 05, 2024 | ||
| See all 21 investments → | |||
Co-Investors
About Radical Ventures
Radical Ventures is an early-stage venture capital firm investing in entrepreneurs applying deep technology to transform massive industries. With a primary focus on artificial intelligence, Radical Ventures partners with entrepreneurs with global ambition to build enduring companies.
Radical Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Jordan Jacobs
Co-Founder and Managing Partner
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Barney Pell
Venture Partner
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Daniel Mulet Lind
Sr. Principal
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David Katz
Partner
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Rob Toews
Partner
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FAQ
What does Rob Toews invest in?
Rob Toews invests primarily in Artificial Intelligence, Software and Information Technology startups, most often at Seed and Series A stage. Most of the 21 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 Rob Toews?
Public channels for Rob Toews 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 Rob Toews last invest?
The most recent investment recorded for Rob Toews closed in Aug 2026. Shizune tracks 21 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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