Act One Ventures

Pre-Seed and Seed venture capital firm · Los Angeles

Act One Ventures is a Pre-Seed and Seed venture capital firm based in Los Angeles that typically writes $1M–$3M checks in Enterprise AI, Financial Services and SaaS. DryPowder has no SEC Form D on file for Act One Ventures as of June 3, 2026. Partners at Act One Ventures include Alejandro Guerrero (General Partner) and David Chaiken (Operating Partner, Technology).

Updated · Sources: fund website

Typical check
$1M–$3M
Stages
Pre-Seed, Seed
Headquarters
Los Angeles

Overview

Act One Ventures at a glance

Stage
Pre-Seed, Seed
Check size
$1M–$3M
Sectors
Enterprise AI, Financial Services, SaaS, Automation
Headquarters
Los Angeles
Cold inbound
Accepted

What sets Act One Ventures apart

  • Operational partner network with specialized domain expertise across GTM, technology, finance, HR
  • Founder-first approach emphasizing conviction over consensus investing
  • 60% Series B/C graduation rate from portfolio
  • Geographic arbitrage between LA and SF innovation corridors

Recent investments

DryPowder has tracked these recent investments from Act One Ventures: GAIL.

What the portfolio shows

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Portfolio 5

Backed: AuditBoard, GAIL, Jelou + 2 more

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Partners

6 partners at Act One Ventures

  • Alejandro Guerrero

    General Partner

    ••••••@actoneventures.comSee plansor sign in
  • David Chaiken

    Operating Partner, Technology · technology

    ••••••@actoneventures.comSee plansor sign in
  • Israel Muñoz

    Principal

    ••••••@actoneventures.comSee plansor sign in
  • Jan-Christopher Nugent

    Operating Partner, Sales & Marketing · go-to-market

    ••••••@actoneventures.comSee plansor sign in
  • Meredith Finn

    Operating Partner, Finance · finance

    ••••••@actoneventures.comSee plansor sign in
  • Michael Silton

    General Partner

    ••••••@actoneventures.comSee plansor sign in

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FAQ

Questions about Act One Ventures

What does Act One Ventures invest in?

Act One Ventures is a Pre-Seed, Seed stage Enterprise AI, Financial Services, SaaS, Automation investor, typically writing $1M – $3M checks, primarily investing in US. Their thesis: Act One invests in extraordinary founders transforming how modern businesses operate using AI-native enterprise platforms with strong data leverage and deep automation, rebuilding core business systems from the ground up.

What check size does Act One Ventures write?

Act One Ventures typically writes $1M – $3M checks at the Pre-Seed, Seed stage in Enterprise AI, Financial Services, SaaS, Automation.

What makes Act One Ventures different from other funds?

Act One Ventures stands out on 4 points: Operational partner network with specialized domain expertise across GTM, technology, finance, HR; Founder-first approach emphasizing conviction over consensus investing; 60% Series B/C graduation rate from portfolio; Geographic arbitrage between LA and SF innovation corridors.

What has Act One Ventures invested in recently?

Recent investments DryPowder has tracked from Act One Ventures include GAIL.

What other funds are similar to Act One Ventures?

Funds with an overlapping stage and sector focus include Great Oaks Venture Capital, Pale Blue Dot, Eniac Ventures.

How do I reach Act One Ventures?

Act One Ventures accepts cold inbound, so a warm introduction is not required.