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Pebblebed

San Francisco, California · Invests in US · Website

Pre-SeedSeedSeries AB2B SaaSAI & Machine LearningDeveloper ToolsHealthcare & BiotechRoboticsHardware & DevicesDeveloper Tools & InfrastructureRobotics & AutomationBiotech & Life SciencesEnterprise Software

Thesis

We back the foundational layers of progress. Developer platforms that accelerate creation. Robot operating systems that make autonomy real. Simulation engines training the next generation of AI. Formal verification securing billions in value. Foundational systems that quietly compound—built by founders who see elegance in complexity and possibility in constraints.

Likely not a fit for

Consumer apps without defensible moats, pure SaaS without technical defensibility, fintech payments, me-too solutions

How they invest

Lead or follow
Usually leads
Typical decision
~2 weeks
Warm intro
Not required
Involvement
Takes a board seat
Fund status
Actively deploying
Assets under mgmt
$125M
Decision process
Partnership vote

Partners & team

6 contacts on file

TS

Tammie Siew

PartnerPartner · Primary contact

+ Pitch

t•••@pe•••.com

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KA

Keith Adams

General PartnerManaging Partner

+ Pitch

k•••@pe•••.com

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X profile

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PV

Pamela Vagata

PartnerPartner

+ Pitch

p•••@pe•••.com

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NL

Nicole Levin

PartnerPartner

+ Pitch

n•••@pe•••.com

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MT

Michael Thomas

PartnerPartner

+ Pitch

m•••@pe•••.com

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YM

Yasyf Mohamedali

PartnerPartner

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y•••@pe•••.com

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Portfolio

KreaMedia Entertainment

Krea is an AI creative suite for generating, editing, and enhancing images, videos, and 3D assets. It offers free tools and enterprise solutions for organizations.

Zeromatter
Tau Robotics
Logical Intelligence
AugmentLogistics Supply Chain

Augment is the AI productivity platform for logistics. Its flagship product, Augie, is a freight-native AI teammate that works across phone, email, portals, and systems to automate and streamline the most complex logistics workflows—supporting brokers, shippers, and carriers from order to cash.

OrchidSecurity Cyber

Orchid is a decentralized marketplace for AI, storage, and bandwidth, enabling trust-free transactions through a nanopayment ecosystem.

OpenMindEcommerce Marketplaces

OpenMindAi.com is for sale, offering various domain names for purchase. The site lists domains like mastermind.com and mymind.com available for significant prices.

Vidoc Security
NorthflankDeveloper Tools Infra

Northflank is a deployment platform that empowers developers to ship workloads and manage applications without the complexity of infrastructure. It supports the deployment of AI workloads, databases, and applications across multiple cloud environments.

OxenSecurity Cyber

Oxen is focused on privacy technology, providing decentralized applications and services that protect user privacy and enhance internet security. The company has developed a node network and applications like Session and Lokinet, which prioritize user privacy.

Select StarEnterprise Software

Select Star is an intelligent data discovery platform that simplifies data exploration and documentation, providing automated data cataloging, lineage, and semantic models.

Spectral LabsEnterprise Software

Spectral Labs is a spatial intelligence company building reasoning models for engineering physical systems. They have developed SGS-1, a generative model for structured CAD that can generate fully manufacturable and parametric 3D geometry.

Recent activity

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Research briefRead more
Pebblebed Ventures Research Investment Thesis Pebblebed Ventures is a frontier deep-tech venture capital firm founded in 2022 by experienced operators from OpenAI, Facebook, and Stripe. The firm explicitly backs "the foundational layers of progress"—companies building developer platforms, AI systems, robot operating systems, simulation engines, and formal verification tools. Their thesis centers o

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