Conviction Before Consensus

Early-stage capital in
undiscovered founders.

Early-stage capital in
undiscovered founders.

Where we invest.

In a world where everything is AI, we invest from inception to series A, where domain depth separates the signal from the noise.

AI Infrastructure

The systems powering the AI revolution — from model training and data platforms to the tools enterprises need to deploy AI at scale.

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Spectro Cloud

Run AI infrastructure at Scale

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Astronomer

Fully-Managed Airflow Platform

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Rocket

World’s First Vibe Solutioning Platform

Vertical AI

Purpose-built AI for the industries where domain expertise matters most — healthcare, legal, financial services, manufacturing, and beyond.

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Reify Health

Accelerating Clinical Trials

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Eden

AI-Powered Radiology

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Smallest AI

Voice AI Infrastructure

Frontier & Deep Tech

Semiconductor design, quantum, defense, and advanced materials — breakthrough science commercialized by founders years ahead of the market.

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Revalia Bio

Building the Human Data Stack

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QCTRL

Making Quantum Technology Useful

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Quintessent

Optical Connectivity Solutions to Scale AI and Compute

Physical Intelligence

AI that operates in the real world — robotics, autonomous systems, and the technologies bringing intelligence to physical environments.

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Augmentus

No-Code and Adaptive Robotics Solutions

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Regulus

Total Autonomous Drone Defeat

Enterprise Connectivity

Sierra Ventures has built one of the industry's strongest, longest-running enterprise networks, connecting founders with the leaders building the enterprise. Our CXO Advisory Board, Annual CXO Summit, AI Lab Forum, and Engineering and Product Leaders Council give portfolio companies early access to enterprise buying decision-makers and give enterprise leaders early visibility into what's next.

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Jensen Huang

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Founder & CEO, NVIDIA
CXO Summit Speaker

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Ali Ghodsi

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Founder & CEO, Databricks
CXO Summit Speaker

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Sandy Venugopal

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CIO, Coreweave
CXO Advisory Board

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Dave Williams

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Chief Information & Digital Officer, Merck CXO Advisory Board

Jason-Clinton

Jason Clinton

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CISO, Anthropic
CXO Summit Speaker

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Bill McDermott

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CEO & Chairman, Service Now
CXO Summit Speaker

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Praveen Neppalli Naga

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CTO, Uber
CXO Advisory Board

Latest from Sierra

News & POV

news1 News & POV
Sierra Ventures:

Mark Fernandes Named Top Seed Investor 2026

Link
news2 News & POV
Sierra Ventures:

Signals From 100+ First-Check GPs and LPs on What Gets Funded Today

Link

CXO Interviews

Pepsico CXO Interviews

Inside PepsiCo’s Approach to Scaling AI Across the Enterprise with Magesh Bagavathi, SVP, Global Head of Data, Analytics & AI

Link
Perplexity CXO Summit

The Next Interface for Work, with Perplexity's Dmitry Shevelenko

Link

Founder Playbooks

powerofpositioning Founder Playbooks
The Power of Positioning and Storytelling for Startups with Tim Guleri
Link
headofmktg Founder Playbooks
Guide for Hiring Your First Head of Marketing at a B2B Startup
Link

Early-stage capital for
the founders the market
hasn’t found yet.