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  1. Home
  2. /VCs
  3. /Andy Weissman
  4. /Briefing
Pre-Pitch Briefing

Andy Weissman

Managing Partner at Union Square Ventures (USV)

Check size: No personal check-size range is published. USV describes itself as an earliest-stage generalist investor and makes decisions collaboratively without a vote; round fit should be confirmed with the partnership rather than attributed to Andy alone.

Pre-SeedSeedSeries AEarly StageFollow-onArtificial IntelligenceNetworksMarketplacesConsumer TechnologyHealthcare TechnologyOpen SourceDeveloper InfrastructureCrypto NetworksClimate TechnologyEducation

Their Thesis

Andy invests at the edge of large markets under transformative pressure. His long-running thesis work centers on engaged networks, differentiated user experience, and defensibility created by network effects, then expands to enabling infrastructure, market-specific networks, and open decentralized data. More recent writing examines patient-centered healthcare and trust, openness, and native behavior in AI.

How to Pitch Them

Expect discussion rather than a scripted presentation. Explain the large market pressure, the new behavior enabled now, and why the product belongs at the edge rather than the center of the incumbent market. Show the participation or data loop, trusted user relationship, and how value compounds. Send materials in advance and be ready for a partnership-wide conversation.

What Excites Them

Large or deeply engaged communities, experiences native to a new medium, services that become more valuable with participation, proprietary data or marketplace dynamics that compound, open systems, trusted brands, and products that broaden access to knowledge, capital, or well-being.

What They Pass On

His thesis implies weak fit for products whose behavior is merely transplanted from an older medium, networks without meaningful engagement or compounding value, closed systems that block permissionless innovation, AI products without a credible trust model, and incremental tools far from a market's transforming edge.

Key Frameworks

Native-behavior test

Ask whether the product creates behavior uniquely enabled by the new technology or merely recreates an old workflow with a new interface.

Network-value loop

Map how each participant, transaction, contribution, or data point increases value for existing users and raises a defensible barrier to entry.

Transformative-pressure edge

Identify the technological or societal pressure reshaping a large market and the emerging edge where a small company can establish a new structure.

AI trust architecture

Evaluate identity, incentives, transparency, control, verification, and recourse when an AI system can plan and act on a user's behalf.

In Their Own Words

“Defensibility may however arise through the growth of service that gets more valuable, and more interesting, with each new participant.”

— https://www.usv.com/writing/investment-thesis-usv

Recent Writing

Glifblog
History Rhymes?blog
Trust and Artificial IntelligenceInvestment Thesis

AI agents require new models of trust, and trusted brands remain central when software can observe, plan, act, and adjust in pursuit of goals.

USV Thesis 2.0Investment Thesis

The network thesis expands cumulatively into enabling infrastructure, domain-specific networks, and open decentralized data rather than abandoning earlier categories.

Investment Thesis @USVInvestment Thesis

USV sought large networks of engaged users differentiated by user experience and defended by network effects, including marketplace, community, and proprietary-data dynamics.

Union Square Ventures (USV) Portfolio

Top Sectors

L1/L23
Infrastructure2
Marketplace2
Gaming1
NFT/Gaming1

Stage Distribution

Series A85
Seed57
Series B14
IPO5
Series C4
Tacoda
Tumblr
$5.0M
Boxee
Yieldmo
Covestor
Zemanta
Wesabe
Disqus
Targetspot
Outside.in

+ 207 more investments. View fund →

← Full profile@aweissmanUnion Square Ventures (USV) website