Marek Kiisa
Managing Partner & Co-Founder @ NordicNinja VC
Tallinn, Estonia
Marek Kiisa is a Series A investor at NordicNinja VC in Tallinn focused on Software and Information Technology. Marek Kiisa is Co-Founder and Managing Partner at NordicNinja VC.
- Total investments:
- 55
- Last investment:
- Lead investor:
- 44%
Last updated:
For AI agents: llms.txt
Industries Marek Kiisa invests in
Stages Marek Kiisa invests in
Countries Marek Kiisa invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $275k–$4.9M
- Pre-Seed
- $164k–$2.3M
- Series A
- $5M–$25M
Investment Focus
Industry
- Software 11 (20%)
- Information Technology 8 (15%)
- Artificial Intelligence 6 (11%)
- Apps 4 (7%)
- FinTech 3 (5%)
Stage
- Series A 14 (25%)
- Seed 13 (24%)
- Pre-Seed 10 (18%)
- Series B 6 (11%)
- Series C 2 (4%)
Country
- Estonia 14 (25%)
- United States 7 (13%)
- Sweden 5 (9%)
- Finland 5 (9%)
- United Kingdom 2 (4%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| CorPower Ocean AB was founded in 2009 to develop high efficiency Wave Energy Converters (WECs).CorPower's Wave Energy Converters deliver five times higher annual energy output per ton of device compared to previously known wave power solutions. The step-change improvement in performance and efficiency allows a Cost-of-Energy that cancompete with offshore wind. The products are currently in pilot with Iberdrola. CorPower has assembled a team with extensive experience in energy generation, design and manufacturing of production equipment, system engineering as well as the market expertise to allow us to continue transforming the technology of tomorrow into renewable energy applications of today. | $61.7M / Series B / May 26, 2026 | ||
| RedpineAI provides a new data infrastructure for AI development. The platform gives companies building AI and autonomous agents access to high-quality, multi-modal, and domain-specific datasets. | $8M / Seed / Apr 28, 2026 | ||
| CorPower Ocean AB was founded in 2009 to develop high efficiency Wave Energy Converters (WECs).CorPower's Wave Energy Converters deliver five times higher annual energy output per ton of device compared to previously known wave power solutions. The step-change improvement in performance and efficiency allows a Cost-of-Energy that cancompete with offshore wind. The products are currently in pilot with Iberdrola. CorPower has assembled a team with extensive experience in energy generation, design and manufacturing of production equipment, system engineering as well as the market expertise to allow us to continue transforming the technology of tomorrow into renewable energy applications of today. | Series B / Jul 07, 2025 | ||
| SeeQC is a semiconductor company developing commercially viable application-specific quantum computing systems for global businesses. The company combines classical and quantum technologies to address the efficiency, stability, and cost issues endemic to quantum computing systems. It integrates superconducting qubit chips, proprietary Single FluxQuantum (SFQ), SFQ-based 10-40 GHz superconductive classical co-processors, and application-specific integrated circuits (ASICs).SeeQC delivers a commercially scalable and cost-effective quantum computing solution, classical readout, control, error correction, and data processing functions must be integrated with a quantum processor. It applies classical and quantum technology through digital readout and control technology and through a unique chip-scale architecture. The company's quantum system provides the energy- and cost-efficiency, speed, and digital control required to make quantum computing useful and bring the first commercially-scalable, problem-specific quantum computing applications to market.SeeQC was established in 2018 and is headquartered in Elmsford, N.Y, USA, and also has facilities in London, UK, and Naples, Italy. | $30M / Series A / Jan 14, 2025 | ||
| CorPower Ocean AB was founded in 2009 to develop high efficiency Wave Energy Converters (WECs).CorPower's Wave Energy Converters deliver five times higher annual energy output per ton of device compared to previously known wave power solutions. The step-change improvement in performance and efficiency allows a Cost-of-Energy that cancompete with offshore wind. The products are currently in pilot with Iberdrola. CorPower has assembled a team with extensive experience in energy generation, design and manufacturing of production equipment, system engineering as well as the market expertise to allow us to continue transforming the technology of tomorrow into renewable energy applications of today. | $34.7M / Series B / Oct 16, 2024 | ||
| Griffin is making a bank you can build on. They provide banking-as-a-service solutions for companies that want to offer financial services products. The company is currently seeking regulatory approval from the PRA and FCA to become the UK's first platform bank. It was founded in 2017 and based in London, England. | $24.4M / Series A / Mar 11, 2024 | ||
| Developer of a leading transition management platform for governments and public sector organizations to plan, finance, and execute large-scale decarbonization and resilience strategies. Trusted by 300+ cities and regions, the platform integrates emissions data, financial planning, policy design, and performance tracking into a unified operatinglayer. Built on IPCC-aligned methodologies and structured data architecture, it enables decision-makers to model transition pathways, stress-test investments, and connect political ambition with economic and energy system realities. By linking targets to budgets, capital flows, and measurable outcomes, the platform turns complex transition plans into finance-ready programs with comparable metrics across jurisdictions. | $15.1M / Series A / Jun 13, 2023 | ||
| Developer of a leading transition management platform for governments and public sector organizations to plan, finance, and execute large-scale decarbonization and resilience strategies. Trusted by 300+ cities and regions, the platform integrates emissions data, financial planning, policy design, and performance tracking into a unified operatinglayer. Built on IPCC-aligned methodologies and structured data architecture, it enables decision-makers to model transition pathways, stress-test investments, and connect political ambition with economic and energy system realities. By linking targets to budgets, capital flows, and measurable outcomes, the platform turns complex transition plans into finance-ready programs with comparable metrics across jurisdictions. | $15.4M / Series B / Jun 12, 2023 | ||
| Pactum is an AI platform that automates commercial negotiations for businesses, allowing sales teams to engage in personalized discussions with suppliers. The platform streamlines the negotiation process, enabling companies to optimize contract terms and improve procurement efficiency. By leveraging advanced algorithms, Pactum analyzes data tosupport informed decision-making during negotiations. This approach helps organizations manage multiple supplier relationships effectively while reducing the time and resources spent on negotiations. Pactum's technology empowers sales development representatives to focus on strategic initiatives rather than administrative tasks, enhancing overall productivity within sales teams. | $20M / Series A / Dec 08, 2022 | ||
| Wolf3D is a developer of 3D printing and scanning platform for virtual reality and games. Its platform offers 3D printing of human sculptures using ultrasound data and creates models of bones and organs for surgical planning and for use in games and virtual reality helping developers to integrate 3D models into existing games, game engines, or VRapplications. | $56M / Series B / Aug 23, 2022 | ||
| See all 55 investments → | |||
Co-Investors
About NordicNinja VC
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
| Name | Phone | Socials | |
|---|---|---|---|
Claes Mikko Nilsen
Principal & Co-Founder
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Jesse Saarela
Principal
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Marek Kiisa
Managing Partner & Co-Founder
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Rainer Sternfeld
Managing Partner
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Rowena Knapp
Chief Operating Officer
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FAQ
What does Marek Kiisa invest in?
Marek Kiisa invests primarily in Software, Information Technology and Artificial Intelligence startups, most often at Series A and Seed stage. Most of the 55 investments tracked by Shizune back companies in Estonia. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Marek Kiisa's check size?
Marek Kiisa typically joins rounds of $275k–$4.9M at Seed, $164k–$2.3M at Pre-Seed and $5M–$25M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Marek Kiisa participates in.
How do I contact Marek Kiisa?
Public channels for Marek Kiisa include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Marek Kiisa last invest?
The most recent investment recorded for Marek Kiisa closed in May 2026. Shizune tracks 55 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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