Threshold Ventures

Early-stage venture capital fund based in San Francisco. Invests primarily at seed and Series A stages. Current fund size is approximately $200M.

Focus Areas

AI/ML infrastructure and applications
Developer tools and platforms
Cloud infrastructure and DevOps
Data engineering and analytics

Key Partners

Marcus Reid — GP. Former Stripe engineer. Leads AI/ML investments.
Elena Torres — GP. Focuses on developer tools and infrastructure.
James Wu — GP. Covers data and analytics.

Investment Style

Threshold is known for moving quickly on conviction-driven deals. Marcus Reid issued the NovaMind term sheet 3 days after Demo Day. The fund prefers technical founders with deep domain expertise and a clear vertical wedge. Typical check size is $2-5M at seed, $5-15M at Series A.

Notable Portfolio Companies

NovaMind (AI agents, YC W25) — $4M seed, Marcus Reid led
Several other AI infrastructure and developer tools companies

Timeline

2025-03-18 — NovaMind Term Sheet

Marcus Reid issued a seed term sheet to NovaMind: $4M at $20M post-money. Fast turnaround after W25 Demo Day. Marcus cited the 94% task completion rate and the strength of the Sarah Chen and Priya Patel founding team as key factors.

2025-03-28 — NovaMind Seed Closed

NovaMind seed round officially closed. Marcus takes board seat. This is Threshold's first investment from their current fund in the AI agents category.