# Top 40 Mobile Angel Investors in Estonia in June 2026

## Kristjan Raude
- Type: Angel
- Relevant deals: 4
- Stages: Seed, Pre-Seed, Equity Crowdfunding
- Focus: Software, Automotive, Internet of Things

I am a serial entrepreneur and angel investor with 15+ years of international experience in sales & marketing, leading teams of 300+ with annual revenue of 10M+. Founder of 3 international companies and investor to 10+ startups. Member of the board at Estonian Business Angels Network.

## Jaan Tallinn
- Type: Angel
- Location: Tallinn, Harjumaa, Estonia
- Relevant deals: 4
- Stages: Seed, Series A
- Focus: Software, Artificial Intelligence, Internet

Jaan Tallinn is the Co-Founder of the Centre for Study of Existential Risk and Future of Life Institute.

## Martin Tajur
- Type: Angel
- Location: Tallinn, Harjumaa, Estonia
- Relevant deals: 2
- Stages: Pre-Seed, Seed, Angel
- Focus: Software, SaaS, Recruiting

Martin Tajur is the co-founder of Pipedrive.

## Madis Müür
- Type: Angel
- Location: Tallinn, Harjumaa, Estonia
- Relevant deals: 2
- Stages: Seed, Equity Crowdfunding, Pre-Seed
- Focus: Apps, Cycling, Security

Madis Müür

## Ragnar Sass
- Type: Angel
- Relevant deals: 2
- Stages: Seed, Pre-Seed
- Focus: Information Technology, Software, SaaS

Ragnar Sass is the Co-Founder of Darkstar Camp. He previously worked at LIFT99 as a Founder and CEO. Ragnar Sass attended Estonian Business School.

## Toomas Bergmann
- Type: Angel
- Relevant deals: 2
- Stages: Seed, Angel
- Focus: Hardware, Mobile Apps, Construction

Toomas Bergmann

## Jason Calacanis
- Type: Angel
- Location: San Francisco, California, United States
- Relevant deals: 2
- Stages: Pre-Seed, Seed, Series A
- Focus: Software, Internet, Artificial Intelligence

Jason Calacanis is the Founder and CEO of Inside.com and Launch. He previously worked at Weblogs as a Co-Founder and CEO. Jason Calacanis attended Fordham University.

## Priit Kasesalu
- Type: Angel
- Relevant deals: 2
- Stages: Seed
- Focus: iOS, Apps, Email

Priit is heavily involved in assessing all of ASI's new technology investments.Before ASI, Priit played an integral role in developing Kazaa and later Skype; indeed, he continues to work at Skype as a core library developer.While cryptography and data communication are his areas of expertise, his other passion is computer gamedevelopment. Together with Ahti and Jaan, he wrote the first Estonian commercial computer game, Kosmonaut.When he isn't using his innate ability to solve complex technical problems, Priit enjoys good company, gourmet restaurants and biking.He holds a degree in automation and system technology from Tallinn University of Technology.

## Andrus Purde
- Type: Angel
- Relevant deals: 2
- Stages: Seed, Pre-Seed
- Focus: Software, Apps, Internet

Experienced startup marketer. Co-founder and CEO of Outfunnel. Skype and Pipedrive alumni. Angel investor.

## Märt Kelder
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 2
- Stages: Seed, Angel, Pre-Seed
- Focus: Information Technology, Software, Transportation

founder at Voog.

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

Erik Kaju

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

## Marko Oolo
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Series B
- Focus: AgTech, Mobile, Parking

Marko Oolo is the General Partner at Superangel. Marko Oolo attended TalTech – Tallinn University of Technology.

## Jens Ohr
- Type: Angel
- Location: Karlsruhe, Baden-Wurttemberg, Germany
- Relevant deals: 1
- Stages: Seed, Pre-Seed
- Focus: FinTech, Software, Mobile Payments

Jens Ohr is the Founder at Bridge Lake Capital

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

Kristjan Vilosius - Co-Founder and CEO @ Katana

## Sameer Singh
- Type: Angel
- Location: London, England, United Kingdom
- Relevant deals: 1
- Stages: Seed, Pre-Seed, Angel
- Focus: Apps, Software, Mobile

Network Effects Investor, Partner @ Speedinvest, Instructor @ Reforge

## Rain Rannu
- Type: Angel
- Location: San Francisco, California, United States
- Relevant deals: 1
- Stages: Seed
- Focus: Software, CRM, Film

Rain Rannu has been a long-time serial entrepreneur in the mobile payments space ever since founding his first company back in 2000. In 2007 he  founded Fortumo, the fast-growing mobile payments service for digital and virtual content now available in more than 80 countries. They have recently raised funding from Intel Capital and GreycroftPartners, and are employing more than 60 people in Estonia, Beijing and San Francisco. Rain Rannu has also been an active member in the Estonian startup scene as a founder of Garage48, among other things.

## Riccardo Zacconi
- Type: Angel
- Location: London, England, United Kingdom
- Relevant deals: 1
- Stages: Seed, Series A, Series B
- Focus: Gaming, Apps, Mobile

Riccardo Zacconi is based out of London, England and is the Board Member of Layer AI. Riccardo previously worked at King.com as Co-Founder and Chairman. Riccardo Zacconi attended Luiss Guido Carli University.

## Mikko Silventola
- Type: Angel
- Relevant deals: 1
- Stages: Pre-Seed, Seed, Angel
- Focus: E-Commerce, Software, Transportation

Mikko is an active investor, with over 50 investments globally. Besides Europe, he is also active in Southeast Asia, Middle East, and Lat Am. He is the first investor of Bolt (Estonia), an investor of Rappi (Colombia), and of Hugo (El Salvador). He has founded 3 international media companies which in total have generated over €35M in sales overjust a few years. He has helped companies with internationalization, fundraising and M&As in Asia, Europe and the Middle East.

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

Marko Virkebau

## Kristian Segerstrale
- Type: Angel
- Location: San Francisco, California, United States
- Relevant deals: 1
- Stages: Seed, Series A, Angel
- Focus: Gaming, PC Games, Online Games

Kristian Segerstrale is the Co-founder of Initial Capital and Board member of Supercell, as well as the Co-founder and CEO of Playfish. Kristian has been at the forefront of the rapidly transforming game industry since 2001.He was a co-founder of mobile gaming pioneer Macrospace – today Glu Mobile (Nasdaq: GLUU) in 2001 through the successfulIPO in 2007. He left to co-found Playfish, the social gaming pioneer, where he served as CEO through the company’s rapid growth to 60 Million players and the subsequent acquisition by Electronic Arts for $400M in 2009. After a period as EVP Digital at Electronic Arts driving the aggressive transformation of the company from packaged goods to digital, Kristian left in March 2013 to focus on startups. Today Kristian leads seed stage investments with Initial Capital and serves on the board of Supercell, the #1 iOS game company.Kristian has previously served on the board of LOVEFiLM, the European streaming video pioneer until its acquisition by Amazon.com.

## Ivo Remmelg
- Type: Angel
- Location: Tallinn, Harjumaa, Estonia
- Relevant deals: 1
- Stages: Seed, Angel, Pre-Seed
- Focus: Mobile, Sports, FinTech

Ivo Remmelg is a Venture Partner at Superhero Capital and the Founding Partner of NestCap.
Ivo Remmelgs, President of the Estonian Business Angel Network.

## Henry Joseph-Grant
- Type: Angel
- Location: Belfast, Belfast, United Kingdom
- Relevant deals: 1
- Stages: Seed, Angel, Equity Crowdfunding
- Focus: Information Technology, SaaS, FinTech

Henry is a globally recognised entrepreneur and operator. He is currently CEO and Co-Founder of Send-Off, a startup based in Belfast, Northern Ireland.Previously, Henry was a key part of the team that built JUST EAT from a startup in the UK to $2.44Bn IPO. He joined the company before any venture capital had been invested and helping thecompany to achieve performance that then attracted investment from top tier VC's Index Ventures, Redpoint Ventures, 83 North and Vitruvian Partners investing substantially at Series A, B and C. Henry worked directly with JUST EAT's founder Jesper Buch and former CEO David Buttress.
After JUST EAT, Henry went on to hold senior roles at Uber Rival Gett etc and founded the European arm of Abraaj Group's portfolio company The Entertainer. Over the past decade, Henry has worked with Startups, Venture Capital and PE fund across the world as an advisor and operator.Henry is an advisor to several startups and mentors CEO's for several accelerators, investment funds including the likes of Seedcamp, Pi Labs, ZincVC and Techstars and is a contributing writer at Irish Tech News, interviewing the likes of Twitter co-founder Biz Stone, Careem co-founder Mudassir Sheikha, Huawei founder Mr Ren Zhengfei and Gary Vaynerchuck.

## Akim Arhipov
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Pre-Seed
- Focus: Software, iOS, Apps

Akim is an Estonian entrepreneur who has cofounded BASIS ID– all-in-one identity verification (KYC) platform for financial institutions and governmental agencies in Southeast Asia. Akim’s team was participated in creation of electronic ID system and eGovernment portals for Estonian government.Previously a co-founder of successful companies in ITand transportation sectors – OnniBus.com and SuperBus.com. The first one is the most successful commercial bus operator in Finland: 20 lines, 200+ daily departures, 6+ million passengers served annually.

## Anton Gauffin
- Type: Angel
- Location: Berlin, Berlin, Germany
- Relevant deals: 1
- Stages: Seed, Pre-Seed, Series A
- Focus: Gaming, Mobile Apps, Video Games

Anton Gauffin is the Founder of Sumoing.

## Marek Kiisa
- Type: Angel
- Location: Tallinn, Harjumaa, Estonia
- Relevant deals: 1
- Stages: Seed, Series A, Pre-Seed
- Focus: Software, Information Technology, Transportation

Marek Kiisa is Co-Founder and Managing Partner at NordicNinja VC.

## Kadri Ugand
- Type: Angel
- Location: Tallin, Harjumaa, Estonia
- Relevant deals: 1
- Stages: Seed
- Focus: mHealth, Health Care, Medical Device

Estonian entrepreneur Kadri Ugand is a Co-Founder of Tallinn-based game accelerator GameFounders. Kadri expands the mentor network, partnership deals and connects the startups to suitable mentors.

## Ahti Heinla
- Type: Angel
- Location: Tallinn, Harjumaa, Estonia
- Relevant deals: 1
- Stages: Seed, Angel, Series A
- Focus: Apps, Internet, Software

Ahti is the CEO, CTO and co-founder in Starship Technologies, a startup that intends to disrupt last-mile delivery by introducing self-driving local delivery robots. He is also a co-owner in Ambient Sound Investments, a private investment vehicle launched by Estonian Skype co-founders.Ahti conducts technical reviews of all ASI's potentialinvestments. His experience and knowledge as a system architect is invaluable in assessing and managing ASI's portfolio companies.Ahti picked up programming at the early age of ten, his fascination with all things technical resulting in him being the lead technical architect at Skype. Ahti has also worked on artificial intelligence, 3D graphics engines, signal processing, and building mobile phones.Out of the office, Ahti dons his running gear to enjoy orienteering and adventure racing events, where navigation is his strong-point.

## Thomas Berman
- Type: Angel
- Location: Winnetka, Illinois, United States
- Relevant deals: 1
- Stages: Series C, Seed, Series D
- Focus: SaaS, Energy, Consumer

Thomas Berman

## Mikhail Lugovskiy
- Type: Angel
- Location: Amsterdam, Noord-Holland, The Netherlands
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: SaaS, Legal, Software

Advisor, financial specialist with Economics and Management background. Mikhail has 5+ years’ experience in financial industry, having worked for a number of large institutions and asset managers.

## Aaron Patzer
- Type: Angel
- Location: San Francisco, California, United States
- Relevant deals: 1
- Stages: Seed, Pre-Seed, Series A
- Focus: Software, Health Care, SaaS

In January, I started another company, Vital Software, with Dr. Justin Schrager of Emory University. Vital makes software for hospital emergency rooms. This includes a mobile patient check-in for patients, and the fastest, most usable electronic medical records you've seen for doctors and nurses. We use extensive machine learning and naturallanguage processing to determine patient severity and anticipated actions. Our longer term goal is to cut ER wait times in half, as they are often 4-5 hours long. You might not know it, but there are 140M ER visits in the US alone each year.Medical / sales are in the US, while development is all in Auckland New Zealand. My long-time partner Rebecca, an architect, is a Kiwi and I am now a resident of New Zealand as well.

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

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.

## Ergo Sooru
- Type: Angel
- Location: Tallinn, Harjumaa, Estonia
- Relevant deals: 1
- Stages: Angel
- Focus: Apps, Gaming, Mobile

Ergo Sooru

## Aare Järvan
- Type: Angel
- Location: Brussels, Brussels Hoofdstedelijk Gewest, Belgium
- Relevant deals: 1
- Stages: Angel
- Focus: Apps, Gaming, Mobile

Aare Järvan

## Sten Tamkivi
- Type: Angel
- Location: San Francisco, California, United States
- Relevant deals: 1
- Stages: Seed, Series A, Pre-Seed
- Focus: Software, Artificial Intelligence, Manufacturing

Sten Tamkivi is the Chief Product Officer at Topia (formerly MOVE Guides). He was previously co-founder and CEO of Teleport (acquired by Topia), the place to scout for startup people. He co-founded the company as an EIR at Andreessen Horowitz.Sten has been a tech entrepreneur since 1996. After founding a few companies in Estonia, he joined Skypeas an early executive, ran the original R&D office, and held several global product leadership roles for 8+ years.He has an MS in Management from Stanford GSB.

## Rain Lõhmus
- Type: Angel
- Location: Tallinn, Harjumaa, Estonia
- Relevant deals: 1
- Stages: Seed, Series A, Series B
- Focus: Mobile Payments, SaaS, Mobile

Rain co-founded Livonia Partners. He has one of the most extensive investment and entrepreneurial track records in the Baltics across a wide range of industries. In 1991 Rain co-founded Hansabank, the largest pan-Baltic financial institution. The bank grew both organically and via acquisitions into the largest bank in the Baltics and was sold toSwedbank in 1998. In 1999 Rain created and later successfully exited a venture capital fund, New Economy Ventures, having invested in 7 technology companies, including Forticom and CV-Online. The fund returned to its investors more than 8 times the invested capital. In 1999 Rain also founded LHV Group, a pan-Baltic banking group, which held its IPO on Tallinn Stock Exchange in 2016. In 2005 he co-founded LHV Capital with Mindaugas Utkevičius and has invested into Veju Spektras, Archyvu Centras, Qvalitas Medical Centre and Baltic Ticket Holdings.

## Raivo Kütt
- Type: Angel
- Location: Tallinn, Harjumaa, Estonia
- Relevant deals: 1
- Stages: Angel
- Focus: Apps, Gaming, Mobile

Raivo Kütt

## Manu Marín
- Type: Angel
- Relevant deals: 1
- Stages: Pre-Seed
- Focus: Apps, FinTech, Mobile Apps

Manu Marín

## Veljo Otsason
- Type: Angel
- Relevant deals: 1
- Stages: Seed, Angel, Pre-Seed
- Focus: Identity Management, Information Technology, Film

Veljo Otsason is Estonian entrepreneur and investor. In 2007 he co-founded mobile payments company Fortumo and served as its CTO. Since 2013 he has been active angel investor and early backer of Bolt (formerly Taxify), Monese, Veriff, Pipedrive & 30+ others. In 2018 he co-founded Superangel, early-stage seed fund and company builder.

## Johannes Jõgi
- Type: Angel
- Relevant deals: 1
- Stages: Seed
- Focus: SaaS, Mobile, Analytics

Johannes Jõgi

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