John Bruck
John Bruck is a General Partner at Market Square Ventures. He previously ran BHE Environmental for 25 years.
What John can write
Writes checks ofNot reported
Comes in atPre-seed, SeedLead preference not reported
Best routeA short note on LinkedInA warm intro from a founder they backed works better.
Career
- BHE Environmental
- Market Square Ventures · General PartnerNow
Companies founded
BHE Environmental
Investments named in public bios
VetVerifi
Focus
early stage startupstechtech-enabled startupspre-seedseed stage
Also at Market Square Ventures
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
Send your deckQuestions
Who is John Bruck?
John Bruck is a General Partner at Market Square Ventures. He previously ran BHE Environmental for 25 years.
How much does John Bruck invest?
Market Square Ventures has not reported a check size. It invests at pre-seed, seed.
How do I pitch John Bruck?
A warm intro from a founder Market Square Ventures backed works best. A short LinkedIn note with one line on traction is the next best route.
What did John Bruck do before Market Square Ventures?
BHE Environmental.
Last updated 2026-10-15. Is this you? Ask for a correction.