Ken Seiff

Managing Partner

Blockchange Ventures

Ken Seiff is the Managing Partner of Blockchange Ventures, an early stage blockchain technology venture fund dedicated exclusively to investing in new categories of business, because they are the source of all massive investment outcomes. Under Ken’s leadership, Blockchange Ventures launched its $30 million Fund I over seven years ago. The fund has achieved approximately a 30x return and has already distributed over $860 million to its investors—representing a 28x return in distributions. Ken has overseen the Fund’s more than 140 investments in blockchain technology companies including Blockskye, Braintrust, Figure, Filecoin, Near, Polkadot, Spexi, Solana, Worldcoin, and webAI. Before Blockchange Ventures, Ken founded Beanstalk Ventures, a New York-based early stage venture fund aimed at transforming the retail sector through investments in breakthrough technologies. He also founded Bluefly.com, one of the earliest online fashion retailers, and co-founded Poppin, a modern office supply company. In addition, Ken has served as a consultant for Amazon and was a member of Google’s Retail Advisory Council. Ken is an avid runner and enjoys spending time with his wife and two adult children.

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