Person directory in Europe
Browse person organisations across Europe. Each entry links to its country, city, and sector pages.
Showing 261–280 of 567 Person
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John Martinis
John Martinis is a distinguished quantum computing physicist and professor at the University of California, Santa Barbara. He previously led Google's quantum hardware team as chief scientist and spearheaded the landmark 2019 demonstration of quantum supremacy using Google's 53-qubit Sycamore superconducting processor. He is a confirmed keynote speaker at Finnish Quantum Days 2026 in Jyväskylä, Finland, in September 2026.
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John O'Sullivan
General Partner at ACT Venture Capital, focused on early-stage software and enterprise technology. He brings operating experience from Misys and Enterprise Ireland and leads investments from seed through Series A across the Irish and UK ecosystems.
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Johnny Boufarhat
Founder and CEO of Hopin, the virtual-events platform he built after a health condition limited his travel; it became one of the fastest-growing UK startups of the pandemic, reaching a multi-billion-dollar valuation backed by a16z and General Catalyst.
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Jonas Dupont
Jonas Dupont is an investment professional at EIFO, Denmark's state-backed investment and export financing fund. At Ignite Odense 2026 he speaks on investment decision-making, covering how institutional investors evaluate innovation, growth potential, leadership teams, and strategic fit when deploying capital. His role at EIFO places him at the centre of Denmark's public startup financing infrastructure, making him a key ecosystem figure for Danish founders seeking growth capital.
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Jonas Kjellberg
Swedish entrepreneur, investor, and educator best known as one of the co-creators of Skype, the internet telephony service later acquired by eBay and Microsoft. He is a serial founder and keynote speaker on disruptive innovation and 'zero to one' value creation, and is a confirmed speaker at the Techpoint Conference 2026 in Kristiansand.
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Jonas Templestein
Co-founder and former CTO of Monzo, where he built the engineering organisation behind the challenger bank's mobile-first platform. He previously co-founded GoCardless with Tom Blomfield.
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Joost Elstak
Joost Elstak is SVP Missions at ICEYE, a Finnish space technology company founded in 2014 that operates one of the world's largest commercial synthetic aperture radar (SAR) satellite constellations. ICEYE is widely regarded as one of the most prominent European space startups and a unicorn, providing near-real-time Earth observation data for disaster management, insurance, maritime, and government applications. In his role, Elstak oversees mission operations and delivery for ICEYE's growing customer base across both commercial and government sectors globally.
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Jordi Romero
Co-founder and CEO of Factorial, the Barcelona HR software unicorn. A serial entrepreneur from the Itnig ecosystem, he previously founded Redbooth (Teambox) before building Factorial into a global HR platform for SMBs.
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Jörg Sandrock
Co-founder of Neon, the Zurich-based Swiss challenger bank he co-founded in 2018 with Julius Krieg. Sandrock previously held roles in banking and payments before launching Neon, which grew to over 200,000 customers. Neon operates as Switzerland's leading mobile-first bank, running on a banking-as-a-service partnership with Hypothekarbank Lenzburg.
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Jorge Poyatos
Co-founder and co-CEO of Seedtag, the contextual-advertising AI company. A former Google executive, he co-founded Seedtag in 2014 to build privacy-first, cookie-free contextual ad technology now used across Europe, LatAm and the US.
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Joseph Bolkvadze
Founder of Cryptal, a Georgian cryptocurrency exchange and digital-asset platform. He is an announced speaker at FUTURUM Payments Georgia 2026 in Tbilisi.
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Joseph Cleetus
Business Transformation Manager at Lulu Financial Holdings, focused on fintech transformation and cross-border payments. He is an announced speaker at Eurasia Tech Week 2026 in Istanbul.
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Joseph E. Stiglitz
Nobel laureate economist and professor at Columbia University, former chief economist of the World Bank, known for work on information economics, inequality and globalization. He is an announced speaker at the 2026 European Forum Alpbach in Tyrol.
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Juan de Antonio
Founder and CEO of Cabify, the Madrid-based ride-hailing and mobility platform and one of Spain's first tech unicorns. A former management consultant and Stanford MBA, he founded Cabify in 2011 to build a multi-modal mobility company focused on Spain and Latin America.
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Juan Flames
Juan Flames is the CEO of BME (Bolsas y Mercados Españoles), the operator of Spain’s stock exchanges and financial markets, part of the SIX Group, with a focus on capital markets, listings and access to financing for companies.
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Juan Urdiales
Co-founder and co-CEO of Jobandtalent, the Madrid-based workforce-management and staffing marketplace unicorn backed by SoftBank. He co-founded the company in 2009 to digitise temporary-work matching across Europe and the Americas.
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Julian Teicke
Julian Teicke is Co-founder & CEO of the insurtech platform Wefox. A founder in the German startup ecosystem, Julian leads the insurtech platform Wefox.
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Julian Weselek
Julian Weselek is Co-founder & CEO of the online travel company Tourlane. A founder in the German startup ecosystem, Julian leads the online travel company Tourlane.
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Julien Richard
Co-founder and CTO of Filigran, leading engineering for its open-source threat-intelligence and breach-and-attack-simulation platforms.
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Julius Krieg
Co-founder of Neon, the Zurich-based Swiss challenger bank he co-founded in 2018 with Jörg Sandrock. Krieg led product and growth for Neon, helping the app reach over 200,000 Swiss customers with free everyday banking accounts and integrated savings products. Neon operates through a banking-as-a-service partnership with Hypothekarbank Lenzburg.