Nick Fitz

founder/mp @ Juniper. investing in ai infra/security. lp, board, mentor. prev founder/ceo (acquired), sr scientist, research fellow.

📍 United States🔄 Updated October 2026💼 19 investments📅 8 years investing🗓 Last invested Sep 2026
VC🌍 United StatesInvested this quarter
19
Total investments
6
Early stage
0
Mid stage
0
Late stage
8y
Years active

Portfolio

18 investments · sorted by recency
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Seed Lead Investor
Sep 2026
Asymmetric Security is the first full-stack AI Digital Forensics and Incident Response company. We respond to cyber incidents for our customers, using AI tools built in-house. Building on this experience, were creating realistic training scenarios and evaluations to improve both our AI cyberdefense capabilities and those of frontier labs. Our mission is to accelerate AI’s defensive cybersecurity capabilities. We believe accelerating AI cyberdefense is critical to meet the security challenges of the AGI era. Our team includes alumni from Oxford, Stanford, Cambridge, RAND, Palo Alto Networks, Crowdstrike, and beyond.
Series A Investor
2026
Building quantitative super-intelligence. We are hiring: careers@axiommath.ai
Pre-Seed Lead Investor
2026
Scaling expert judgment. Backed by a16z speedrun, Juniper Ventures, Guillermo Rauch & other wonderful angels
Pre-Seed Investor
2025
Workshop Labs is an AI research lab with a mission to make people irreplaceable. Our research is focused on distributed user alignment, aimed at building billions of models -- one for everyone. We are a public benefit company backed by Character Capital, OVO Fund, Juniper Ventures, Cosmos Holdings, Halcyon Futures, Brad Burnham, Matt McIlwain, and angels at Anthropic and Apollo Research.
Pre-Seed Investor
2025
Apollo Research is an AI safety organization. We specialize in auditing high-risk failure modes, particularly deceptive alignment, in large AI models. Our primary objective is to minimize catastrophic risks associated with advanced AI systems that may exhibit deceptive behavior, where misaligned models appear aligned in order to pursue their own objectives. Our approach involves conducting fundamental research on interpretability and behavioral model evaluations, which we then use to audit real-world models. Ultimately, our goal is to leverage interpretability tools for model evaluations, as we believe that examining model internals in combination with behavioral evaluations offers stronger safety assurances compared to behavioral evaluations alone.
Seed Investor & Strategic Advisor
2025
We prepare for the future where organizations are run autonomously by AI by benchmarking and deploying frontier AI in the real world.
Pre-Seed Investor
2025
We are building the standard for evaluating frontier models, to steer us towards open, beneficial AGI.
Seed Investor
2025
All alignment between individuals is a matter of shared fundamental goals. Organic alignment occurs when these individuals find themselves in groups with mutual interdependence, and take on an overarching shared goal of the healthy development and flourishing of the group as a whole. Our mission is to understand this process as an empirical science, and to use that understanding to enable organic alignment among all people, both human and digital.
Seed Investor
2024
Musubi is leading AI content moderation and bot-detection solution protecting over 35M users. Founded by social app veterans, weve felt the pain first-hand. Our customers are top social apps, marketplaces, and public companies. Bad actors are increasingly using the latest AI agents to attack social platforms, and Musubi provides a novel AI defense to increase moderation quality and speed while reducing costs. We protect against even the most determined bad actors using AI agents to attack platforms at massive scale.
Seed Investor
2024
Building the trust infrastructure for AI agents. On a mission to underwrite superintelligence.
Seed Investor
2024
Haize Labs is the trust, safety, and reliability layer underpinning AI models in every industry and use case. By haizing (i.e. stress-testing and red-teaming) to discover and eliminate all failure modes, we enable the risk-free adoption of AI.
Pre-Seed Investor
2024
At FutureSearch, we build AI to understand AI, in a virtuous loop. Our research services and products are powered by our elite human forecasters using our sophisticated in-house AI systems. Our ability to predict the future of AI better than the best humans comes from being the only team in the world that deeply understands both modern AI, and howthe best human forecasters think. We believe accurate, probabilistic forecasting will redefine how investors understand long-term returns. FutureSearch (futuresearch.ai/app) is the first step in that future. Our flagship product, FutureSearch, deploys teams of AI research agents across structured data which enables users to conduct original research to solve data processing problems at scale.
Seed Investor
2024
Goodfire is a research company and public benefit corporation based in San Francisco, dedicated to using interpretability to understand, learn from, and design AI systems. We help our customers across industries turn AI into something that can be understood, debugged, and shaped like software. In the life sciences, we help customers extract novel insights from models trained on scientific data. Our team shaped modern neural network interpretability at OpenAI, DeepMind, Stanford, and Harvard. Were backed by more than $200M from B Capital, Menlo, Lightspeed, and other leading investors.
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Experience · 28 entries
All (28)
Investments (18)
Founder (5)
Board (1)
2026
Seed Lead Investor
Sep 2026
Asymmetric Security is the first full-stack AI Digital Forensics and Incident Response company. We respond to cyber incidents for our customers, using AI tools built in-house. Building on this experience, were creating realistic training scenarios and evaluations to improve both our AI cyberdefense capabilities and those of frontier labs. Our mission is to accelerate AI’s defensive cybersecurity capabilities. We believe accelerating AI cyberdefense is critical to meet the security challenges of the AGI era. Our team includes alumni from Oxford, Stanford, Cambridge, RAND, Palo Alto Networks, Crowdstrike, and beyond.
Founder & Chair
Jan 2026
Advanced AI is radically transforming our world. The Juniper Foundation helps ambitious non-profit founders make AI secure and beneficial for humanity.
Series A Investor
2026
Building quantitative super-intelligence. We are hiring: careers@axiommath.ai
Pre-Seed Lead Investor
2026
Scaling expert judgment. Backed by a16z speedrun, Juniper Ventures, Guillermo Rauch & other wonderful angels
Limited Partner
2026
As the ventures arm of Halcyon Futures, we back founders who are on a mission to build a secure and resilient future. Our team has invested in companies like Goodfire, Artificial Intelligence Underwriting Company, Lucid Computing, Confident Security, Softmax, Gray Swan, and more.
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Investment activity
2018–2026 · 19 investments
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