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Rainer Sternfeld, Managing Partner at NordicNinja VC

Rainer Sternfeld

Managing Partner @ NordicNinja VC

Palo Alto, United States

Rainer Sternfeld is a Series B investor at NordicNinja VC in Palo Alto focused on Information Technology and Sensor. Rainer Sternfeld - Managing Partner @ NordicNinja VC

Total investments:
6
Last investment:
Lead investor:
67%

Last updated:

Industries Rainer Sternfeld invests in

Information TechnologySensorHealth CareLife ScienceCyber Security

Stages Rainer Sternfeld invests in

Series BSeedSeries AConvertible NoteVenture - Series Unknown

Countries Rainer Sternfeld invests in

EstoniaGermanyUnited KingdomThe Netherlands

Investment Focus

Industry

  • Information Technology 2 (33%)
  • Sensor 1 (17%)
  • Health Care 1 (17%)
  • Life Science 1 (17%)
  • Cyber Security 1 (17%)
See all 11 industries →

Stage

  • Series B 2 (33%)
  • Seed 1 (17%)
  • Series A 1 (17%)
  • Convertible Note 1 (17%)
  • Venture - Series Unknown 1 (17%)

Country

  • Estonia 2 (33%)
  • Germany 1 (17%)
  • United Kingdom 1 (17%)
  • The Netherlands 1 (17%)

Investments

CompanyDescriptionRoundLinks
LiveEO LiveEO
LiveEO is a leading provider of insights-as-a-service, revolutionizing large-scale infrastructure monitoring worldwide with AI and satellite data. Services span from railway, power line, and pipeline monitoring, to supply chain risk management, delivering actionable insights on ground movement, vegetation management, and deforestation.LiveEO's innovative approach is redefining industry practices, improving operational efficiency, and safeguarding infrastructure safety and sustainability, setting new standards in asset management. $32.9M / Venture - Series Unknown / May 06, 2026
Lightyear Lightyear
Lightyear is a simple and approachable way to invest your money globally without unnecessary barriers and fees. $23M / Series B / Jul 24, 2025
VSPARTICLE VSPARTICLE
VSPARTICLE develops nanoparticle generators for various applications such as sensors, batteries, catalysis, solar cells, healthcare, additive manufacturing, nano safety, and more. It also enables research and industry to generate new materials at the push of a button.They specialize in nanoparticle production and integration. The technologyspeeds up the developments of customers by producing the desired nanoparticles on location and integrate them directly in the final product. VSPARTICLE was founded in 2014 and is headquartered in Delft, The Netherlands. $7.1M / Series A / Aug 08, 2024
LiveEO LiveEO
LiveEO is a leading provider of insights-as-a-service, revolutionizing large-scale infrastructure monitoring worldwide with AI and satellite data. Services span from railway, power line, and pipeline monitoring, to supply chain risk management, delivering actionable insights on ground movement, vegetation management, and deforestation.LiveEO's innovative approach is redefining industry practices, improving operational efficiency, and safeguarding infrastructure safety and sustainability, setting new standards in asset management. $26.8M / Series B / Jun 25, 2024
Arbonics Arbonics
Arbonics is a tech-based carbon and ecosystem platform for forest and landowners in Europe. $6M / Seed / Dec 14, 2023
Veriff Veriff
Veriff is an online identity verification company that protects businesses and their customers from online identity fraud. It is a highly automated identity verification platform connecting companies with honest customers.Veriff makes it easy to connect with people to trust. With the combined forces of machine learning and eagle-eyed specialists,Veriff is always two steps ahead of digital fraud. AI speeds up sessions with immediate feedback, while manual checks by their verification gurus nip risks in the bud.Veriff was founded in 2015 and is headquartered in Tallinn, Estonia. $15.5M / Convertible Note / Jul 01, 2020

Co-Investors

NordicNinja VC

About NordicNinja VC

VC Fund · Helsinki, Finland

NordicNinja is searching for #1 teams in the world who are based in the New Nordics. The Article 8 classified fund focuses on scaling companies from Northern Europe that promote environmental and social characteristics, from self-driving electric trucks to AI-driven identity verification; from brain scan analytics predicting Alzheimer’s to mixedreality headsets training astronauts for their Mars mission; from seamless urban mobility to end-to-end transparency of sensitive supply chains. The founder and operator-led team fulfils the Japanese desire towards opportunities within sustainability and the digital society by investing in the future we want to live in.

NordicNinja VC Contacts

NameEmailPhoneSocials
Claes Mikko Nilsen
Claes Mikko Nilsen Principal & Co-Founder
Jesse Saarela Principal
Marek Kiisa
Marek Kiisa Managing Partner & Co-Founder
Rainer Sternfeld
Rainer Sternfeld Managing Partner
Rowena Knapp
Rowena Knapp Chief Operating Officer

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FAQ

What does Rainer Sternfeld invest in?

Rainer Sternfeld invests primarily in Information Technology, Sensor and Health Care startups, most often at Series B and Seed stage. Most of the 6 investments tracked by Shizune back companies in Estonia. The Investment Focus section breaks down every industry, stage and country in the portfolio.

When did Rainer Sternfeld last invest?

The most recent investment recorded for Rainer Sternfeld closed in May 2026. Shizune tracks 6 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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