Seth Jonker

Active Investor

Director at GMB Capital Partners

Saint Paul, Minnesota

Seth Jonker, Director at GMB Capital Partners is an active investor based in Saint Paul, Minnesota. This profile covers what Seth Jonker backs, at which stage, and how founders can reach out in 2026.

Investor type: PE
Stages: Series BLate Stage Venture
Invests in: FintechSaaS & EnterpriseDeveloper Tools & DataGaming & EntertainmentMedia & Content
Location: Saint Paul, Minnesota
Typical check: $5M
Past investments: 1

Notable investments

(mt) Media Temple

How to reach Seth Jonker

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Frequently Asked Questions

What does Seth Jonker invest in?

Seth Jonker invests in Fintech, SaaS & Enterprise, Developer Tools & Data and Gaming & Entertainment, typically at Series B and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.