Saam Motamedi

Partner at Greylock Partners

📍 Stanford, California, United States🔄 Updated September 2026💼 18 investments📅 9 years investing🗓 Last invested Aug 2025
VC🌍 United States
18
Total investments
12
Early stage
1
Mid stage
0
Late stage
9y
Years active

Portfolio

16 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Aug 2025
Were an AI research company that builds reliable, interpretable, and steerable AI systems. Our first product is Claude, an AI assistant for tasks at any scale. Our research interests span multiple areas including natural language, human feedback, scaling laws, reinforcement learning, code generation, and interpretability.
Founding Investor and Board Member
Oct 2024
Cogent is building an "AI Taskforce" for Vulnerability Management that drives efficiency in enterprise VM programs and accelerates risk reduction with AI agents that supercharge in-house security teams. The product autonomously executes time-intensive tasks across the VM lifecycle, such as data correlation across sources, contextualization of assets and vulnerabilities, risk prioritization, and remediation planning and execution. Cogent is trusted by the worlds best brands and is built by industry leaders from companies like Abnormal AI, Coinbase, Google Research, Stripe, and more.
Board Member
Jun 2024
AI for prod: Engineering teams at Coinbase, DoorDash, MSCI, Toast, and Zscaler use Resolve AI to resolve incidents, optimize costs, and code with production context using AI that works across your code, infra, and telemetry.
Founding Investor and Board Member
Apr 2024
Fable Security delivers the human risk platform that directly shapes employee behavior. Designed for simplicity and enterprise scale, our agentic platform synthesizes complex employee data, pinpoints risky behaviors, and deploys highly-relevant interventions to people automatically, in real time, right where they work.
Board Member
Oct 2023
Braintrust is the AI observability platform helping teams measure, evaluate, and improve AI in production. By connecting evals and observability in one workflow, teams at Notion, Stripe, Zapier, Vercel, and Ramp ship quality AI products at scale.
Board Member
Sep 2022
Upwind Cloud Security Platform bridges intelligence from runtime to build-time, eliminating friction & boosting the productivity of your developers, security engineers, and DevOps. Upwind delivers comprehensive cloud security, precisely when and where it’s most critical.
Board Member
Mar 2022
At Adept, we are building a future where AI helps every employee focus on meaningful work. We envision a workplace where our time is mainly spent on collaboration, creativity, and strategic decision-making. In todays digital landscape, Adept seamlessly integrates into existing workflows and business processes, executing tasks across the software tools and systems employees use every day. Powered by our best-in-class proprietary model, our tool navigates systems to extract, transform, and populate information into forms, websites, and SaaS applications reliably at scale, all while adhering to a company’s business rules and processes. With Adept completing these manual, repetitive workflows, employees can use the gift of time to focus on more strategic work. Companies can rest easy knowing that processes are being executed exactly the way they want, every time. Adept is the enterprise AI tool that powers your workforce.
Board Member
Mar 2021
Predibase is the fastest, most efficient way to productionize open-source AI. As the developer platform for open-source AI, Predibase makes it easy for engineering teams to fine-tune and serve any open-source LLM or deep learning model on state-of-the-art infrastructure in the cloud at the lowest possible cost. Built by the team that created the internal AI platforms at Apple and Uber, Predibase is fast, efficient, and scalable for any size job. Predibase pairs an easy to use declarative interface with high-end GPU capacity on serverless managed for infra training and serving to ensure engineers have a solution for the complete ML lifecycle. Most importantly, Predibase is built on open-source foundations, including Ludwig and LoRAX, and can be deployed in your private cloud so all of your data and models stay in your control. In production with both Fortune 500 and high growth companies, Predibase is helping engineering teams deliver AI driven value back to their organization in days, not months. Try Predibase for free: https://predibase.com/free-trial.
Board Member
Apr 2020
Opal is a modern, data-centric identity security platform. Our platform offers consolidated view and control of your whole ecosystem from on-prem to cloud and SaaS. Opal is backed by Greylock, Battery Ventures, and some of the top security experts around the world, including Silicon Valley CISO Investments (SVCI).
Series A Lead Investor and Board
Oct 2019
Cresta combines the best of human and AI intelligence, transforming conversations and workflows at every level of the contact center. We help companies like Carmax, Hilton, and Cox Communications save time and money, differentiate the customer experience, and accelerate revenue growth.
Board Member
Jun 2019
Apiiro empowers application security and development teams from companies like BlackRock, Morgan Stanley, Rakuten, and Colgate with complete visibility and actionable context they need to save time triaging alerts, fixing and preventing real risks across their modern applications and software supply chains, so they can deliver secure applications to the cloud. ✅ RSA Innovation Sandbox 2021 Winner ✅ Gartner 2021 Cool Vendor in DevSecOps Backed by Greylock, Kleiner Perkins and General Catalyst.
Board Member
Apr 2019
Snorkel AI is the frontier AI data lab, helping teams build the data and environments behind high-performing frontier and agentic AI. We combine platform technology with research-driven data development to create datasets, benchmarks, evals, and custom solutions for real-world AI systems. Founded out of the Stanford AI Lab in 2019, Snorkel works with leading AI labs and enterprises to move from better data to better outcomes. Snorkel led the development of Senior SWE-Bench and launched Open Benchmarks Grants with a $3 million commitment to support open-source datasets, benchmarks, and evaluation research. Supported projects include Agents’ Last Exam, OSWorld 2.0, Terminal-Bench, Continual Learning Bench, and SlopCode Bench. Learn more at snorkel.ai or follow @SnorkelAI.
Investor
Jul 2018
Clockwise is an AI-powered calendar assistant that builds smarter schedules for everyone by coordinating the way individuals, teams, and companies prefer to work. Clockwise is a new way of working. It’s driven by smart technology and inspired by a simple idea—that the best way to work together is for our schedules to do the same. Consider it a workday that allows us to actually work during the day, simply by making time each day for us to focus. Clockwise’s mission is to help people make time for what matters, and weve done so by creating 6 million hours of time for focused work. Today, over 40,000 organizations, including Atlassian, Asana, Reddit, and Zoom, run on Clockwise.
Founding Investor and Board Member
Mar 2018
Abnormal AI is the leading AI-native human behavior security platform, leveraging machine learning to stop sophisticated inbound attacks and detect compromised accounts across email and connected applications.
Investor and Former Board Member
2017
Blend Labs Inc., (NYSE: BLND) is the leading origination platform for digital banking solutions. Financial providers— from large banks, fintechs, and credit unions to community and independent mortgage banks—use Blend’s platform to transform banking experiences for their customers. Better banking starts on Blend. To learn more, visit blend.com.
Show all 16 investments ↓
Experience · 23 entries
All (23)
Investments (18)
Founder (1)
Board (12)
2025
Investor
Aug 2025
Were an AI research company that builds reliable, interpretable, and steerable AI systems. Our first product is Claude, an AI assistant for tasks at any scale. Our research interests span multiple areas including natural language, human feedback, scaling laws, reinforcement learning, code generation, and interpretability.
2024
Founding Investor and Board Member
Oct 2024
Cogent is building an "AI Taskforce" for Vulnerability Management that drives efficiency in enterprise VM programs and accelerates risk reduction with AI agents that supercharge in-house security teams. The product autonomously executes time-intensive tasks across the VM lifecycle, such as data correlation across sources, contextualization of assets and vulnerabilities, risk prioritization, and remediation planning and execution. Cogent is trusted by the worlds best brands and is built by industry leaders from companies like Abnormal AI, Coinbase, Google Research, Stripe, and more.
Board Member
Jun 2024
AI for prod: Engineering teams at Coinbase, DoorDash, MSCI, Toast, and Zscaler use Resolve AI to resolve incidents, optimize costs, and code with production context using AI that works across your code, infra, and telemetry.
Founding Investor and Board Member
Apr 2024
Fable Security delivers the human risk platform that directly shapes employee behavior. Designed for simplicity and enterprise scale, our agentic platform synthesizes complex employee data, pinpoints risky behaviors, and deploys highly-relevant interventions to people automatically, in real time, right where they work.
2023
Board Member
Oct 2023
Braintrust is the AI observability platform helping teams measure, evaluate, and improve AI in production. By connecting evals and observability in one workflow, teams at Notion, Stripe, Zapier, Vercel, and Ramp ship quality AI products at scale.
Show all 23 entries ↓
Investment activity
2017–2025 · 18 investments
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