Ken Seiff
Managing Partner at Blockchange Ventures
Miami Beach, Florida
Ken Seiff, Managing Partner at Blockchange Ventures is an active investor based in Miami Beach, Florida. This profile covers what Ken Seiff backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEFounderInvestor
- Stages
- Seed
- Invests in
- Crypto & Web3E-commerce & D2CMarketplaceFintech
- Location
- Miami Beach, Florida
- Typical check
- $250K
- Past investments
- 16
Notable investments
The DefiantLoop Commerce
Parity TechnologiesSimply GumUncommonGoodsKule
Requested
HuckleKule LLC
BrickworkSmartSkusPredictSpring IncHow to reach Ken Seiff
Angels and operators like Ken Seiff 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 Ken Seiff
Frequently Asked Questions
What does Ken Seiff invest in?
Ken Seiff invests in Crypto & Web3, E-commerce & D2C, Marketplace and Fintech, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Ken Seiff invest at?
Ken Seiff typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Ken Seiff's typical check size?
Ken Seiff typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact Ken Seiff?
Unlock Ken Seiff's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.