Seth Jonker
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
- SaaS & Enterprise
- Location
- Saint Paul, Minnesota
- Typical check
- $5M
- Past investments
- 1
Notable investments
How to reach Seth Jonker
Angels and operators like Seth Jonker reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with Seth Jonker
Frequently Asked Questions
What does Seth Jonker invest in?
Seth Jonker invests in SaaS & Enterprise, typically at Series B and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Seth Jonker invest at?
Seth Jonker typically invests at Series B and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Seth Jonker's typical check size?
Seth Jonker typically writes checks around $5M. Use it as a signal for whether your raise fits their stage.
How do I contact Seth Jonker?
Unlock Seth Jonker's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.