Douglas Stidolph

Director & Co-Founder @ CONCEPT80 // YC (S20)

๐Ÿ“ United Kingdom๐Ÿ”„ Updated September 2026๐Ÿ’ผ 2 investments๐Ÿ“… 6 years investing๐Ÿ—“ Last invested Mar 2022
VC๐ŸŒ United Kingdom
2
Total investments
2
Early stage
0
Mid stage
0
Late stage
6y
Years active

Portfolio

2 investments ยท sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
Mar 2022
We equip financial service providers with permissioning tools for compliant transactions on-chain, powered by zero-knowledge privacy.
Co-Founder & Investor
Jan 2020
Quell combines the excitement of gaming with an intense, full-body workout tailored to you. Experience the next generation of fitness gaming with real resistance, powerful haptics and live technique analysis.
early stageComputer Games
Experience ยท 7 entries
All (7)
Investments (1)
Founder (3)
2022
Investor
Mar 2022
We equip financial service providers with permissioning tools for compliant transactions on-chain, powered by zero-knowledge privacy.
2020
Co-Founder & Investor
Jan 2020
Quell combines the excitement of gaming with an intense, full-body workout tailored to you. Experience the next generation of fitness gaming with real resistance, powerful haptics and live technique analysis.
early stageComputer Games
2018
Associate
Jan 2018
"If we believe that people are unique, then it follow that the solutions to a companys challenges should also be unique." We are an independent company with a holistic approach to developing and nurturing talent and a commitment to the long-term success of our clients.
2016
Founder
Apr 2016
Productivity, Resilience, Wellbeing & Personal Development Events For Talent-Driven Businesses. Awaken Your Teams Potential - Contact Us Now Action Academy brings business teams of all levels together through combined skill training and personal development; catalysed by a combination of our leading business coaches and unique adventure experiences. Based from one of our carefully-designed environments, your team will embark on a programme of on-site learning and adventure; pushing their limits, and engaging them in new conversations & experiences with their colleagues. Working with you, well identify the skills and areas youd most like to focus on, and select the appropriate coaches, mentors or speakers to accompany your team, as well as the adventure package that will develop the qualities most important to your staff well-being. We can work on characteristics and areas varying from stress-management, productivity & resilience; to improving your organisations remote-working strategy. Facing a critical business period and requiring an isolated location in which to focus with your team? We can help. If youd like to learn more - or request a full brochure - please get in touch today. We look forward to meeting you.
2013
Founder
2013
Hyera Adventure was the worlds first Action & Adventure Sport Booking Marketplace. Developed from a scientifically-proven case for the psychological & physiological benefits of adventure and unstructured sport - as well as the benefits to local tourism these experiences provide - we set about building a platform that would benefit both participants (beginners and experts alike), and operators, making it easy to find an adventure suited to you. The project ran for almost 3 years, however after difficulty securing sufficient investment in our MVP, new directions opened up to us and the team reached a decision to put the venture on hold. We are always interested in having a conversation with anyone looking to enter this sector, as we have an absolute belief that the team who successfully reaches scale in this market will have the opportunity to make a huge positive impact into global activity and fitness - just as Airbnb has done for the travel market.
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