Sten Tamkivi is an angel investor and operator angel based in Tallinn, Estonia. The known portfolio counts 13 companies, including Career Karma, Lightyear, Entrepreneurs First, Katana, ChalDal, Salv, Numerade, Outfunnel, Insempra, Roofit.solar, Ampler Bikes and TransferWise.
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Investment focus
- Stage
- Seed
Contacts
Sten Tamkivi portfolio companies (13)
- Career Karma
- Lightyear
- Entrepreneurs First
- Katana
- ChalDal
- Salv
- Numerade
- Outfunnel
- Insempra
- Roofit.solar
- Ampler Bikes
- TransferWise
- Sellfy
Affiliated funds' portfolios
Member at Founders Pledge, whose known portfolio counts 2 companies
- Goal 3
- RestoringVision
Partner at Plural, whose known portfolio counts 18 companies
- Arcjet
- Augur
- Rivan Industries
- Starship Technologies
- OLIX
- Validio
- Phasecraft
- CoMind
- Helsing
- PipeDreams
- Frankenburg Technologies
- Callosum
- and 6 more
Investor Profile
The listing covers sectors AI, Climate, Hardware and SaaS, and focus areas Developer Tools, Enterprise SaaS, HR Tech and IoT. Startups operating in these areas may find Sten Tamkivi relevant.
Sten Tamkivi appears in Seed rounds across the known deals.
The portfolio and focus above give founders context on whether Sten Tamkivi matches their raise.
Colleagues
Showing 20 of 38
Ahmed Mhiri
Pledger
Paris, France
Jonathan Azoulay
Pledger
Paris, France
Pep Gomez
Pledger
London, United Kingdom
Jason Syversen
Founders Pledge Member
Boston, United States
David Gutelius
Pledger
Reno, United States
Benjamin Guenther
Member
Munich, Germany
Wiktor Schmidt
Pledger
Poznań, Poland
Kevin Chou
Founders Pledge Member
San Francisco, United States
Michael Bodekaer Jensen
Pledger
Switzerland
Andy McLoughlin
Co-founder, Trustee & Board Member
San Francisco, United States
Oliver Nicholas
Pledger
San Francisco, United States
Ignaz Forstmeier
Member
Vienna, Austria
Michele Attisani
Pledger
London, United Kingdom
Per David Jonsson
Pledger
Stockholm, Sweden
Khaled Helioui
Co-Founder
United Kingdom
Taavet Hinrikus
Partner
London, United Kingdom
Chris Bryson
Pledger
Toronto, Canada
Elliott Easterling
Pledger
Los Angeles, United States
Dave Shah
Pledger
Newport Beach, United States
Michael Wax
Founders Pledge Member
Munich, Germany
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Frequently asked questions
Who is Sten Tamkivi?
Sten Tamkivi is an angel investor and operator angel based in Tallinn, Estonia with 13 known investments on file, among them Career Karma, Lightyear and Entrepreneurs First. The sections above list the sectors, stages and firms attached to that record.
What does Sten Tamkivi invest in?
Listed sectors include AI, Climate, Hardware and SaaS; listed focus areas include Developer Tools, Enterprise SaaS, HR Tech and IoT. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Sten Tamkivi invest at?
The known deals of Sten Tamkivi include Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Sten Tamkivi listed at?
Sten Tamkivi is listed as Partner at Plural. 38 other people in the database share a firm with Sten Tamkivi.
How do I contact Sten Tamkivi?
An email address and a LinkedIn page are on file for Sten Tamkivi. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal