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KH

Kees-Jan Heijdra

WISE BCI

Angel Investor Seed Early Stage Growth Ad Tech HR Tech Technology Media and Telecom (TMT)

Position in the VCSift Database

  • • 2,972 investors in VCSift focus on the Ad Tech sector.

Data sourced from 410,343 investor profiles. Updated June 2026.

Investment Focus

Stages
Seed Early Stage Growth
Sectors
Ad Tech HR Tech Technology Media and Telecom (TMT) Marketing Tech & Automation

Contact Information

kj••••@wisebci.nl
wiseinvestments.nl

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