# Top 5 Enterprise Software Angel Investors in Estonia in June 2026

## Taavi Lepmets
- Type: Angel
- Location: Luxembourg, Luxembourg, Luxembourg
- Relevant deals: 2
- Stages: Seed, Angel
- Focus: Software, Human Resources, Apps

Taavi Lepmets - Co-Founder @ Karu Capital

## Ahti Heinla
- Type: Angel
- Location: Tallinn, Harjumaa, Estonia
- Relevant deals: 2
- 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.

## Vitaly Rubstein
- Type: Angel
- Location: Zürich, Zurich, Switzerland
- Relevant deals: 2
- Stages: Seed, Angel
- Focus: Human Resources, Apps, SaaS

Vitaly Rubstein - Co-Founder and Partner @ RubyLight

## Mark Gillett
- Type: Angel
- Location: Menlo Park, California, United States
- Relevant deals: 1
- Stages: Seed
- Focus: Software, Collaboration, Enterprise Software

Mark Gillett re-joined Silver Lake in 2013 after previously serving at the firm from 2009-2011. He is a Managing Director and Chief Operating Partner. Prior to his return to Silver Lake, Mr. Gillett served as Chief Development Officer and Chief Operating Officer for Skype, the global communications platform, driving acceleration of thecompany's growth strategy and leading its integration following Microsoft's acquisition of the business in 2011. Subsequently, as Corporate Vice President at Microsoft, he oversaw the growth of Microsoft's $2.5bn enterprise and consumer communications software and services portfolio, while continuing to lead product innovation and operations for Skype.Prior to joining Skype, Mr. Gillett led value creation for Silver Lake in Europe. He joined the firm from Alvarez & Marsal (A&M), where he was a Managing Director and Partner leading the High Technology, Telecoms and Private Equity practice in Europe. At A&M, he specialized in restructuring and operational diligence, performance improvement and turnaround management of online, consumer and enterprise software and device businesses. While at A&M, he served in interim leadership positions and advisory or operating roles including at Lehman Brothers Holdings International, ADT/Tyco (France), Navigon AG, and iSOFT plc. At A&M, he also led engagements with several leading private equity firms. Mr. Gillett served as a non-executive director for European Directories, a local search and advertising group, through a restructuring, digital transition and sale of the business in 2013. Mr. Gillett is a Fellow of the British Computer Society, a Fellow of the Institute of Directors and Member of the IT Service Management Forum.

## Jeremie Berrebi
- Type: Angel
- Location: Nantes, Pays de la Loire, France
- Relevant deals: 1
- Stages: Seed, Angel, Series A
- Focus: SaaS, Mobile, Software

Jeremie Berrebi is the CEO and Founder of MeetB. He previously worked at Fresh Planet as a Co-Founder. Jeremie Berrebi attended Yeshiva Netivot Olam.

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