Ken Seiff

Managing Partner · Blockchange Ventures · New York, United States

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Managing Partner at Blockchange Ventures

Stages: Series A, Seed
Cheque size: €92k–€4.6M
Location: New York, United States
Freshness: Verified today

Notable investments

BalconySeed · $13M · 2026
Akave CloudSeed · $7M · 2026
KiraSeed · $7M · 2025
ZamaSeries B · $57M · 2025
SpexiSeries A · $12M · 2024
MawariSeries Unknown · $11M · 2024
HivelloPre Seed · $3M · 2023
AfterpartySeries Unknown · $5M · 2023

Frequently co-invests with

Vinny LinghamMulticoin Capital2×Adam JacksonCambrian Asset Management LLCAlex AdelmanAndre IguodalaAndrew NgAI FundBrett ShearPalm Tree Crew InvestmentsCarmen Chang (New Enterprise Associates (NEA))Christopher Heymann (1k(x))Eytan ElbazJason CalacanisSequoia CapitalJenn ByrneGrit Capital PartnersKyle SamaniMulticoin Capital

Background

Managing PartnerBlockchange Ventures Full-time2017–present
Managing PartnerBlockchange Ventures2017–present
Member of the Board of DirectorsBackbone PLM2016–present
Member of the Board of DirectorsPredictSpring Inc2014–present
Managing PartnerBeanstalk Ventures2013–present
Member of the Board of DirectorsINTURN2013–present
Member of the Board of DirectorsSimply2013–present
CEOPivot Rules Inc.2008–present
CEOIT CRUX Mobile Apps Solutions
Co-Founder & CEOIT CRUX Mobile Apps Solutions
Board MemberIT CRUX Mobile Apps Solutions
Founder & CEOIT CRUX Mobile Apps Solutions
Member of the Board of DirectorsPredictSpring2014–2023
Member of the Board of DirectorsKULE2000–2022
EVP, Direct and Omni-ChannelBrooks Brothers2011–2013
Co-FounderPoppin2009–2011
Co-Founder & CEOPivot Rules Inc.2004–2009
Board MemberPivot Rules Inc.2002–2004
Founder & CEOPivot Rules Inc.1991–1998

Ken Seiff's colleagues at Blockchange Ventures

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Rob SchmultsGeneral Partner, Blockchange Ventures

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