Ken Seiff
InvestorManaging Partner at Blockchange Ventures
New York, New York
Writes $100K β $5M checks Β· typically $1.5M
About
Ken Seiff is Managing Partner at Blockchange Ventures, a venture capital firm he launched in 2017 to invest in early-stage blockchain technology companies and protocols. Prior to founding Blockchange, he co-founded Beanstalk Ventures alongside Novel TMT, which focused on early-stage retail technology investments. His career spans over 25 years in building and investing in businesses across blockchain and internet industries, including roles at Brooks Brothers, Amazon.com, Poppin, and Bluefly.com.
ContactΒ· self-published, not guessed
Experience
- Blockchange VenturesManaging Partnercurrent2017 β presentMiami, Florida, United States
- Beanstalk VenturesManaging Partnercurrent2013 β presentMiami, Florida, United States
- Simply GumMember of the Board of Directorscurrent2013 β presentSan Francisco, California, United States
- Seiff & Company LLCCEOcurrent2008 β presentMiami, Florida, United States
- PredictSpring IncMember of the Board of Directors2014 β 2023San Francisco Bay Area
- Kule LLCMember of the Board of Directors2000 β 2022New York City Metropolitan Area
- Brooks BrothersEVP, Direct and Omni-Channel2011 β 2013New York City Metropolitan Area
- Poppin (FLOK LLC)Co-Founder2009 β 2011
- Glowcast Ventures, LLCCo-Founder & CEO2004 β 2009
- Shop.org and NRFBoard Member2002 β 2004
- Bluefly, Inc.Founder & CEO1998 β 2004
- Pivot Rules Inc.Founder & CEO1991 β 1998
Skills & more
E-commerce99Web Analytics23Online Marketing15Online Advertising38Start-ups99Digital Marketing33Entrepreneurship94Marketing35Business Strategy27Sales13SEO2Multi-channel Marketing2
+12 more
Strategic PartnershipsProduct DevelopmentBusiness DevelopmentBusiness Start-upsSales and MarketingBrand DevelopmentRetailAdvertisingLeadershipStrategyVenture InvestingDeal NegotiationsFrom Ken's professional profile.
Colleagues at Blockchange Ventures
Network3
Bobby Lent
Managing Partner at Hillsven & Co-founder of Ariba at SignalFire
Christopher Heymann
Partner at 1k(x)
Jason Mendelson
Managing Partner at Foundry Group
Investors connected to Ken in public investor directories β a warm-intro map.
Frequently asked questions
- Who is Ken Seiff?
- Ken Seiff is Managing Partner at Blockchange Ventures, a venture capital firm he launched in 2017 to invest in early-stage blockchain technology companies and protocols. Prior to founding Blockchange, he co-founded Beanstalk Ventures alongside Novel TMT, which focused on early-stage retail technology investments. His career spans over 25 years in building and investing in businesses across blockchain and internet industries, including roles at Brooks Brothers, Amazon.com, Poppin, and Bluefly.com.
- Where does Ken Seiff work?
- Ken Seiff is Managing Partner at Blockchange Ventures.
- What check size does Ken Seiff write?
- Ken Seiff typically writes checks of $100K β $5M.
- Where did Ken Seiff go to school?
- Ken Seiff studied at The Wharton School (BS Economics, Entrepreneurial Management); Phillips Andover Academy.
Same school
Also attended The Wharton School1,557
Fred WilsonCo-founder & Partner at Union Square VenturesSarah GuoFounder & General Partner of ConvictionJosh KopelmanFounder and Partner at First Round CapitalAydin SenkutFounder & Managing Partner at FelicisKunal BahlCo-founder of Snapdeal; co-founder of Titan CapitalJack AbrahamFounder, CEO & Managing Partner of Atomic
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