# Top 5 InsurTech Angel Investors in Estonia in May 2026

## Taavi Madiberk
- Type: Angel
- Location: Dresden, Sachsen, Germany
- Relevant deals: 1
- Stages: Seed, Angel
- Focus: Information Technology, Software, SaaS

Taavi Madiberk is the Co-Founder and Chief Executive Officer at Skeleton Technologies. His business development, sales and marketing and company management skills have been instrumental in setting-up and driving growth. He has been the driving force for excellent customer traction, (the company counts as customers European Space Agency and severalTier 1 automotives), business strategy (leveraging the advantage in materials technology to energy storage cells and modules), product development and fundraising from venture capital, private equity and public sources in German, Estonian and EU level. Taavi Madiberk brings knowledge from the IT, locomotive and NGO sectors from his experience prior to Skeleton Technologies. Among other Board positions he has served as the youngest ever Chairman of the Supervisory Board in Estonian Railways Ltd (AS Eesti Raudtee) from 2012-2014 the national railway. He also served as a Member of the Supervisory Board of RKAS in 2014, an Estonian state-owned real estate company with over 400 M EUR of assets.

## Kristjan Vilosius
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Angel, Pre-Seed
- Focus: Software, Information Technology, E-Commerce

Kristjan Vilosius - Co-Founder and CEO @ Katana

## Oliver Ahlberg
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Angel
- Focus: Information Technology, Software, SaaS

Oliver Ahlberg is the Co-Founder and Chief Operating Officer of Skeleton Technologies. He has assured excellent operational capabilities and played a critical role in the development of internal procedures which have kept the company on the forefront of energy storage development. He has had an integral role in securing VC funding and settingup the company's R&D Center in Estonia. Additionally he plays a central role in the company's IT capabilities, production systems and processes and daily administration of the company. Leading the pilot production of the company, he also offers input in product development and has led production optimization efforts. Oliver Ahlberg has previously worked in the IT and law sector in San Fransisco, USA and Tallinn, Estonia. He has co-founded digital media company Vigvam Studio and a daily deals site acquired by the market leader in 2010. Oliver Ahlberg has earned a law degree from University of Tartu.

## Marko Virkebau
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: Mobile, FinTech, Software

Marko Virkebau is co-founder of MeetFrank, a secret recruitment app. Marko is also a member of the board and chief financial officer at Up Invest OU.
Marko holds a PhD in economics and fiance and a MS in business information technology at Tallinn University of Technology (Tallinna Tehnikaülikool).


## Erik Kaju
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Series A
- Focus: Mobile, Fashion, Printing

Erik Kaju

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