Stefan Bielau

Managing Partner at games & leaves

๐Ÿ“ Warsaw, Mazowieckie, Poland๐Ÿ”„ Updated September 2026๐Ÿ’ผ 14 investments๐Ÿ“… 14 years investing๐Ÿ—“ Last invested Oct 2022๐• @upgrade_to_unlock
Operator-angel๐ŸŒ Poland
14
Total investments
9
Early stage
2
Mid stage
2
Late stage
14y
Years active

Portfolio

14 investments ยท sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Oct 2022
Healthtech company that builds AI-powered SaaS solutions that improve how the healthcare industry manages its back-office operations in order to provide better patient care.
Investor
Aug 2022
Our technology is designed to help real estate professionals streamline and accelerate the commercial transaction process by creating virtual experiences. Our platform enables users to easily generate high-quality content, including 3D tours, dimensioned floor plans, and HD photos and videos. With our platform, real estate professionals can invite their clients to virtual visits through our own video-call or live streaming services, allowing them to host open houses and other events without the need for in-person gatherings. This allows real estate professionals to stay competitive in a fast-paced market and provide their clients with a seamless, convenient, and engaging buying experience.
Investor
May 2022
Were on a mission to become the super-platform for grassroots football, delivering pro-level experiences like news, data, and gamification to over 190 million football fanatics in the non-professional ecosystem. As a data-powered social platform, we cover all divisions below the professional level. Every player receives a personal profile with performance stats, a gamified market value, personalised news, and social features. Available in Germany and the UK, we have users in 98% of all German football teams, multiple #1 rankings in the AppStore, and have raised over โ‚ฌ5M from renowned business angels and football personalities.
Investor
Feb 2022
Gemini helps elite sports team front offices streamline roster management decisions with intuitive, customizable, AI-powered workflows, all in one simple, easy-to use mobile-first app.
Investor
Dec 2021
MOWAโ€™s core product is a novel, modular and smart industry 4.0 lower limb orthosis system. The system is intended to restore the natural gait of patients with paralysis and spasm in the lower extremities. It is considerably more flexible, cheaper, time-saving and above all more patient-friendly than conventional orthoses.
Investor
Dec 2021
Audiomob is a completely new way to monetise mobile games. We offer non-intrusive audio ads that can be listened to in game and can greatly increase player retention, generate better reviews, all while providing developers with monetisation. Built from the ground up by developers, for developers, we strive to offer a simple, elegant alternative to standard ads.
Investor
Nov 2021
Mobile game development powerhouse, founded by passionate and experienced entrepreneurs. The companyโ€™s goal is to become an industry leader by introducing innovative game experiences to lead the market rather than follow. We are in an early development of a new and original casual/mid-core mobile game.
Investor & GVA 2.0 Advisory Board Member
Feb 2021
HYPE is the Global Sports Tech Arena with over 100 top sport brands, clubs and federations as partners. Our vision is to impact peoples lives through the power of sports and innovation. Weโ€™ve been doing that since 2015 with over 40K+ followers, Experts, Investors and Mentors - all contribute to the great value we generate across the ecosystem, including our new metaverse arena. HYPEโ€™s investment and equity portfolio is now one of the largest holdings with over 250 sports tech startups, some well on their way to becoming unicorns.
Investor
Sep 2020
Where your customer community becomes your competitive advantage. Learn more about Experify, the Customer Involvement Platform today.
Board Member
Apr 2020
Koukoi Games, a SciPlay Company, was a free-to-play mobile games studio located in Finland. SciPlay, with offices all over the world, is a leading developer and publishing of digital games on mobile and web platforms, providing highly entertaining free-to-play games that millions of people play every day for their authenticity, engagement and fun. See more: https://sciplay.com/.
Investor
Apr 2016
Empowering football players and coaches, TRACKTICS is dedicated to driving improvement. Our user-friendly football tracker seamlessly integrates performance insights into your journey, remaining virtually undetectable during wear. Elevate your game with professional-level performance data, accessible on your mobile or PC through TRACKTICS.
early stageSpectator Sports
Investor
Jan 2014
Fjuul innovates and commercializes disruptive health & fitness solutions. Fjuul App: Each Move Counts With Fjuul, Make Each Move Count! Use your iPhone to instantly see the health impacts of your daily movements. Just check one screen, one comparable number and you know if your day has been an active and healthy one. Fjuul is available on the app store: http://bit.ly/11p9u9N Happy Fjuuling!
Investor
Apr 2013
Adsquare powers marketers with geospatial data science to enhance their omnichannel campaign experience. We are an award-winning location intelligence platform and enable improved campaign planning and activation, as well as measurement and attribution for campaign optimisation. Founded in 2012, Adsquare is integrated with market-leading DSPs, DMPs and SSPs in 32 countries. More than 1.800 retailers, media agencies, advertisers and Out-of-Home operators are relying on Adsquareโ€™s accurate and consented location data to improve their marketing effectiveness. Headquartered in Berlin, Germany, Adsquare has 10 global offices across the USA, Europe and Asia-Pacific. For more information visit http://www.adsquare.com or contact us via info@adsquare.com.
Investor
Aug 2012
BETEGY is a leading marketing provider that enables companies in the igaming and sports betting industry to create data-driven personalized scalable display advertising campaigns in digital, retail and broadcast domains. The company has established itself as the marketing technology provider of choice to the likes of ESPN, Entain, Bwin, Ringier Axel Springer, Yahoo Sports, Sportsbet.io, Parimatch, PokerGo, ShotTracker and Winners.net. BETEGYโ€™s work and capabilities span the range of sports and gaming. The company has received multiple industry awards for its market-leading technology. These include the 2021 EGR Award for Innovation in Sports Betting, as well as Innovation of the Year at the 2022 SBC Awards.
Experience ยท 19 entries
All (19)
Investments (14)
Founder (3)
Board (1)
2023
Managing Director
2023
At ๐—ด๐—ฎ๐—บ๐—ฒ๐˜€&๐—น๐—ฒ๐—ฎ๐˜ƒ๐—ฒ๐˜€ ๐—š๐—บ๐—ฏ๐—›, we create sports games that grow into something more โ€“ engaging, immersive experiences built to connect players of all ages and backgrounds. Guided by our vision of growing adventures, we design titles that evolve over time, surprise players with new possibilities, and leave a lasting impact. Sitting at the intersection of sports and gaming, our mission is to bring communities together โ€“ bridging the energy of traditional sports with the creativity and accessibility of modern play. Every tap, match, and challenge is an invitation to explore, connect, and grow. With a team spanning ten countries, we are united by creativity, innovation, and a deep love for interactive storytelling. Weโ€™re not just building games โ€“ weโ€™re crafting adventures that stay with you, step by step, tap by tap. ๐’๐ญ๐š๐ฒ ๐ญ๐ฎ๐ง๐ž๐ ๐Ÿ๐จ๐ซ ๐ž๐ฑ๐œ๐ข๐ญ๐ข๐ง๐  ๐ง๐ž๐ฐ๐ฌ, ๐ฎ๐ฉ๐๐š๐ญ๐ž๐ฌ, ๐š๐ง๐ ๐ ๐š๐ฆ๐ž๐ฌ. ๐ ๐š๐ฆ๐ž๐ฌ&๐ฅ๐ž๐š๐ฏ๐ž(๐ฌ) ๐ฎ๐ฌ ๐š ๐ฆ๐ž๐ฌ๐ฌ๐š๐ ๐ž!
2022
Investor
Oct 2022
Healthtech company that builds AI-powered SaaS solutions that improve how the healthcare industry manages its back-office operations in order to provide better patient care.
Investor
Aug 2022
Our technology is designed to help real estate professionals streamline and accelerate the commercial transaction process by creating virtual experiences. Our platform enables users to easily generate high-quality content, including 3D tours, dimensioned floor plans, and HD photos and videos. With our platform, real estate professionals can invite their clients to virtual visits through our own video-call or live streaming services, allowing them to host open houses and other events without the need for in-person gatherings. This allows real estate professionals to stay competitive in a fast-paced market and provide their clients with a seamless, convenient, and engaging buying experience.
Investor
May 2022
Were on a mission to become the super-platform for grassroots football, delivering pro-level experiences like news, data, and gamification to over 190 million football fanatics in the non-professional ecosystem. As a data-powered social platform, we cover all divisions below the professional level. Every player receives a personal profile with performance stats, a gamified market value, personalised news, and social features. Available in Germany and the UK, we have users in 98% of all German football teams, multiple #1 rankings in the AppStore, and have raised over โ‚ฌ5M from renowned business angels and football personalities.
Investor
Feb 2022
Gemini helps elite sports team front offices streamline roster management decisions with intuitive, customizable, AI-powered workflows, all in one simple, easy-to use mobile-first app.
Show all 19 entries โ†“
Investment activity
2012โ€“2022 ยท 14 investments
20121201312014120161202022021420224
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