Guy Krief

Partner at Big Pi Ventures | Former CEO & Founder

📍 Athens, Attiki, Greece🔄 Updated September 2026💼 7 investments📅 6 years investing🗓 Last invested Jun 2025
VC🌍 Greece
7
Total investments
2
Early stage
1
Mid stage
1
Late stage
6y
Years active

Portfolio

5 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Board Member
Jun 2025
The amount of medical content is doubling every 73 days, with papers, studies and guidelines being published faster than any professional will ever be able to read. While processing relevant medical updates is crucial for all healthcare professionals, it has become complex, time & energy-consuming. Juisci simplifies medical content discovery, allowing professionals to better process, discuss and co-create content. We analyse content from thousands of sources, covering 20+ medical specialities and process them through our innovative AI technology to deliver reliable, updated and digestible information. Our award winning product is also available for healthcare organizations & life sciences companies looking for: -Boosting their content factory -Diffusing value-based content -Improving reach & engagement Medical breakthroughs are changing the landscape. Don’t get left behind. Stay updated with JUISCI.
Board Member
Apr 2025
Bringing taste and diversity to the next generation of cheese and dairy. Join our team - find our job board here https://shorturl.at/nopIM
Investor
Sep 2022
High Quality Clothing // Essentials for Men & Women by Lakis Gavalas.
Angel Investor
Sep 2021
#KnowWhatHappens to your clothes. Resale & Consignment Concierge • Quality Local Donations • Fast Fashion Recycling 50% fashion, 50% climate anxiety
Board Member
May 2020
Convert Group is at the forefront of the global Data Monetisation revolution in Omnichannel Retail. With headquarters in Athens and London and operations across 11 countries in Europe & Africa, we’re the go-to enterprise tech partner for Retailers and Marketplaces who want to transform their data into a high-impact, monetisable asset. Our mission? Enable Retailers and Marketplaces to unlock new revenue streams by delivering actionable insights to Suppliers, Brands, and Sellers – while supercharging retail media budgets with data that’s not just rich, but irrefutably useful. Our AI-powered SaaS platform, backed by a world-class Customer Success team, helps top players across Grocery, Pharma, Beauty, Electronics, Fashion, DIY, Pet and 1P & 3P marketplaces to collaborate with partners through data and fuel incremental profitability. We’re trusted by industry giants like Ahold Delhaize, Dr. Max (6 markets), Atida Group (3 markets), Public (Greece’s retail tech powerhouse), and Skroutz (one of SE Europe’s biggest marketplaces with €1Β GMV). On the brand side? We partner with 15 of the top 20 global Consumer Goods legends, including LOréal, P&G, Unilever, Kenvue, Haleon, The Coca-Cola Company, Mattel, HP, Nestle, Samsung, RB, Henkel, LG, The Walt Disney Company, Bayer, Beiersdorf, Estée Lauder, FrieslandCampina, Heineken, Huawei, Barilla, Colgate Palmolive, Perrigo, JDE, Pierre Fabre, Abbott, Xiaomi and more. 🏆 Award highlights: • Named Europe’s 4th Best Workplace for SMBs (2021) – The Economist & Great Place to Work® • Ranked among Europe’s 1000 Fastest-Growing Companies in 2020 and 2022 – Financial Times & Statista
Experience · 13 entries
All (13)
Investments (7)
Founder (4)
Board (5)
2025
Board Member
Jun 2025
The amount of medical content is doubling every 73 days, with papers, studies and guidelines being published faster than any professional will ever be able to read. While processing relevant medical updates is crucial for all healthcare professionals, it has become complex, time & energy-consuming. Juisci simplifies medical content discovery, allowing professionals to better process, discuss and co-create content. We analyse content from thousands of sources, covering 20+ medical specialities and process them through our innovative AI technology to deliver reliable, updated and digestible information. Our award winning product is also available for healthcare organizations & life sciences companies looking for: -Boosting their content factory -Diffusing value-based content -Improving reach & engagement Medical breakthroughs are changing the landscape. Don’t get left behind. Stay updated with JUISCI.
Board Member
Apr 2025
Bringing taste and diversity to the next generation of cheese and dairy. Join our team - find our job board here https://shorturl.at/nopIM
2024
LSPR AG
Board Member
Apr 2024
Venture Partner
Mar 2024
We partner with teams who are developing exceptional technologies or ingenious business models. We invest where we see opportunities to change people’s lives for the better or transform whole industries. We support them with capital and with advice born of our experience. We’re anchored in Greece, targeting global markets. Follow us for more.
2022
Investor
Sep 2022
High Quality Clothing // Essentials for Men & Women by Lakis Gavalas.
Show all 13 entries ↓
Investment activity
2020–2025 · 7 investments
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