
After a degree in Astrophysics at UCL, John started in hardware, then moved on to assembler, C, C++, and later Java. Almost exclusively working in finance, he ran FX at Paribas and was a global chief architect at JP Morgan, BNP Paribas, and Visa. John has co-founded four successful startups since 2000, selling one of them twice to Nasdaq & LSE listed companies. After co-founding Velo Payments with the former president of VISA, John has spun off the AI company Incept5. John has co-authored several Java books and is a frequent speaker at technical and banking conferences around the world. He is married to a French wife and has three boys in their 20s.


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Curated articles, deep dives, and live experts. Delivered, not hunted.
Curated articles, deep dives, and live experts. Delivered, not hunted.