John Mandelker
Expert Witness - Business Valuations - Litigation Support at Arch Equity Partners
St. Louis, Missouri
John Mandelker, Expert Witness - Business Valuations - Litigation Support at Arch Equity Partners is an active investor based in St. Louis, Missouri. This profile covers what John Mandelker backs, at which stage, and how founders can reach out in 2026.
- Investor type
- PEInvestment Partner
- Stages
- SeedSeries ASeries BLate Stage Venture
- Invests in
- Manufacturing & Industrial
- Location
- St. Louis, Missouri
- Typical check
- $2M
- Past investments
- 3
Notable investments
How to reach John Mandelker
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Frequently Asked Questions
What does John Mandelker invest in?
John Mandelker invests in Manufacturing & Industrial, typically at Seed, Series A, Series B and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does John Mandelker invest at?
John Mandelker typically invests at Seed, Series A, Series B and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is John Mandelker's typical check size?
John Mandelker typically writes checks around $2M. Use it as a signal for whether your raise fits their stage.
How do I contact John Mandelker?
Unlock John Mandelker's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.