Sarah Guo-Grady
Principal @ Greylock
San Francisco Bay Area, United States
Sarah Guo-Grady is a seed investor at Greylock in San Francisco Bay Area focused on Software and Artificial Intelligence. Sarah Guo is based out of the San Francisco Bay Area, California, and is the Founder and Investor of Conviction Partners. Sarah previously worked at Coda as a Board Observer. Sarah Guo attended the Wharton School of the University of Pennsylvania.
- Total investments:
- 61
- Last investment:
- Lead investor:
- 44%
Last updated:
For AI agents: llms.txt
Industries Sarah Guo-Grady invests in
Stages Sarah Guo-Grady invests in
Countries Sarah Guo-Grady invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Software 21 (34%)
- Artificial Intelligence 14 (23%)
- Information Technology 11 (18%)
- Cyber Security 6 (10%)
- SaaS 5 (8%)
Stage
- Seed 22 (36%)
- Series A 16 (26%)
- Series B 9 (15%)
- Series C 6 (10%)
- Pre-Seed 2 (3%)
Country
- United States 34 (56%)
- Canada 1 (2%)
- Ireland 1 (2%)
- Australia 1 (2%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Obsidian Security provides SaaS and AI security software that detects threats, manages risks, and secures enterprise applications. | $85M / Series D / Aug 04, 2026 | ||
| Intelligence.AI provides AI-driven recruiting software focused on hiring software developers. Its platform helps recruiters discover developers who are not visible through traditional sourcing channels. Intelligence.AI supports evaluating technical candidates without deep technical knowledge by validating skills beyond resumes. The software assistswith engaging candidates using personalized outreach and messaging. It is designed to help recruiting teams scale sourcing and screening while reducing manual effort. | $7.9M / Seed / Aug 03, 2026 | ||
| Onyx Security enables organizations via a holistic platform to adopt AI and AI agents with confidence - without compromising security. | $113M / Series B / Jul 29, 2026 | ||
| Enigma develops artificial intelligence software and robotics technologies that enable intuitive interaction between humans and robotic systems. The company builds robotics foundation models, machine learning systems, and software infrastructure that support perception, planning, and autonomous task execution across a range of robotic platforms.Its technology includes hardware-agnostic software layers that allow AI models to operate across different robot types without requiring platform-specific development.Enigma also develops tools for human-robot interaction, simulation, and model training to improve robot adaptability and performance in dynamic environments. The company conducts research in physical AI, embodied intelligence, and robotics software to advance autonomous systems for industrial, commercial, and research applications. It collaborates with technology partners and research organizations to evaluate and expand the use of its AI models and robotics platform across multiple use cases. | $71M / Seed / Jul 27, 2026 | ||
| Baseten provides a platform for training, deploying, and serving artificial intelligence models in production environments. It supports open-source, fine-tuned, and custom models, converting them into API endpoints with capabilities such as autoscaling, observability, and optimized model serving. The platform manages infrastructure componentsincluding containerization, GPU scheduling across multiple cloud providers, and performance optimizations to support large-scale inference workloads. Baseten also offers preconfigured model APIs and deployment options that can run either on its managed cloud service or within a customer's own environment. Its tools are designed to help developers build, manage, and scale AI applications while maintaining flexibility in how models are hosted and executed. | $1.5B / Series F / Jun 22, 2026 | ||
| Collate creates and streamlines documentation for drug development, medical device, and diagnostic companies from concept to market using artificial intelligence. They produce accurate documentation for the life sciences industry, which speeds up innovations that can save lives. | $95M / Series A / Jun 03, 2026 | ||
| Nova Intelligence is the leading agentic AI platform for SAP teams. Our AI agents help enterprises document and understand custom code, reduce complexity by leveraging SAP standard whenever possible, and modernize and build new applications—all with Clean Core compliant, upgrade-safe principles. SAP teams using Nova double their productivity. Theteam behind Nova includes the co-inventor of SAP HANA, an AI researcher from Google DeepMind, and the former CIO of Cargill. The company is backed by SAP's investment arm and top Silicon Valley VCs. | $31.5M / Series A / May 05, 2026 | ||
| Onyx Security enables organizations via a holistic platform to adopt AI and AI agents with confidence - without compromising security. | $35M / Series A / Mar 12, 2026 | ||
| Sunday introduce Memo: a household robot capable of doing everyday chores. | $165M / Series B / Mar 12, 2026 | ||
| Wabi engages as a social platform where anyone can quickly create tiny apps using instructions. | $20M / Pre-Seed / Nov 05, 2025 | ||
| See all 61 investments → | |||
Co-Investors
About Greylock
Greylock Partners invests in entrepreneurs that focus on consumer and enterprise software companies. The firm invests in companies that define new markets, including Airbnb, AppDynamics, Apptio, Arista Networks (NYSE: ANET), Cloudera, Docker, Dropbox, Facebook (Nasdaq: FB), LinkedIn (NYSE: LNKD), Medium, Nextdoor, Palo Alto Networks (NYSE: PANW),Pandora (NYSE: P), Pure Storage, and Workday (NYSE: WDAY).It was founded in 1965 and headquartered in Menlo Park, California.
Greylock Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Bill Kaiser
Partner
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David Wadhwani
Venture Partner
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Howard Cox
Special Limited Partner
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Jason Risch
Investor
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Mike Duboe
General Partner
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FAQ
What does Sarah Guo-Grady invest in?
Sarah Guo-Grady invests primarily in Software, Artificial Intelligence and Information Technology startups, most often at Seed and Series A stage. Most of the 61 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 Sarah Guo-Grady?
Public channels for Sarah Guo-Grady include LinkedIn, X (Twitter) and Facebook. 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 Sarah Guo-Grady last invest?
The most recent investment recorded for Sarah Guo-Grady closed in Aug 2026. Shizune tracks 61 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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