RE

Rebel Fund

VC
San Francisco, CAWebsite

Rebel Fund is a Pre-Seed, Seed venture capital firm based in San Francisco, CA investing in Other, Enterprise. The firm typically writes $250K–$2.0M checks and has 36 portfolio companies in our records.

Stage

Pre-Seed, Seed

Check Size

$250K – $2.0M

Portfolio

36+ companies

Team

9 partners

Investor activity
Last known investment: 2025Investments in last 12 months: 3

Investment Thesis

Pre-seed and seed fund focused on backing founders at the earliest stages, often before institutional rounds, with a model built around early conviction and founder support.

How Rebel Fund invests

Rebel Fund is a vc firm based in San Francisco, CA. The firm invests at the Pre-Seed, Seed stages, with a focus on Other, Enterprise.

Rebel Fund typically writes checks of $250K–$2.0M per investment.

Investing since at least 2020, Rebel Fund has backed 36 companies in our records, including Archon, Almond, Aegis. Its most recent recorded investment was in 2025, with 3 investments logged over the last 12 months.

Meet the Team

SM

Sebastian Mejia

Partner

Co-founder of Rappi, YC W16

JH

Jared Heyman

Co-Founder

LF

Luis Fortuño

Managing Director

SH

Steve Huffman

Partner

Co-founder of Reddit, YC S05

MM

Max Mullen

Partner

Co-founder of Instacart, YC S12

TA

Trip Adler

Partner

Co-founder of Scribd, YC S06

JH

Jonathan Hirsch

Partner

biotech

Founder of Paradigm, non-YC biotech partner

DK

Daniel Kan

Partner

Co-founder of Cruise, YC W14

DS

Dan Siroker

Partner

Co-founder of Optimizely, YC W10

Industry Focus

Invests In

Other
Enterprise

Portfolio Companies (36)

2025

AR

Archon

AL

Almond

AE

Aegis

2024

AG

Agentic Labs

AP

Apolink

AR

Arcane

AN

Anara

2023

CE

Cedalio

AI

AIVideo.com

AI

AiSDR

How to pitch Rebel Fund
  • Raising at Pre-Seed, Seed? You're squarely in their sweet spot.
  • Lead with your fit in Other, Enterprise — the sectors they actively back.
  • Size your ask to their typical $250K – $2.0M check.
  • Address your outreach to a specific partner, such as Sebastian Mejia, Partner.
  • A warm introduction beats a cold email. Get matched and request an intro.

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