< The 2016 Tech 50

In 2005, BT Group paid Reuters Group $175 million to acquire Radianz, which today operates a leading cloud-computing network for the financial services industry. Radianz was providing such utility services back then as well, but it took a few years for “cloud” to catch on as a metaphor and, ultimately, the widely adopted on-demand, pay-as-you-go model that it has become. Although some still debate whether it is safe to store certain corporate “crown jewels” in a shared infrastructure, “by now everyone has at least mentally come over the line,” says Michael Cooper, who became an early Radianz employee in 2001 and since 2010 has been CTO of BT Radianz, which operates within London-based BT’s global banking and financial markets group. The cloud is a clear alternative to “costs of distribution that are never-ending,” Cooper says. Software and other “as-a-service” facilities in the cloud “make more sense.” The 53-year-old points out that Radianz was ahead of its time in another way: as a collaborative community and ecosystem. Connecting thousands of financial market customer endpoints worldwide, the Radianz cloud added 169 customers in the past year and more than 150 new applications from more than 30 providers. “The number of new providers reflects changes in market structure and how they are being operationalized,” Cooper explains. BT’s global reach — and activity in its cloud — yields insight into how financial technologies are evolving. The CTO observes that “in the past 18 months, Singapore has emerged” as a force in fintech innovation, potentially rivaling the U.K. and the U.S. He sees other Asia-Pacific financial capitals — Hong Kong, Shanghai, Sydney, Tokyo — also developing ecosystems capable of “exploiting local advantages.” While exploring some “early use cases” of blockchain, Cooper says, he has become particularly intrigued by virtual identification-security methods known as tokenization. “Identity is an area of considerable interest,” he says. “This technology can facilitate new ways of doing business.”

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The 2016 Tech 50

1. Catherine Bessant Bank of America Corp. 2. Jeffrey Sprecher Intercontinental Exchange 3. Lance Uggla Markit Building Resilient Portfolios: Infrastructure’s Strategic Advantage Sponsored by IFM Investors May 9, 2025 4. Phupinder Gill CME Group 5. Shawn Edwards and Vlad Kliatchko Bloomberg 6. R. Martin Chavez Goldman Sachs Group

7. Robert Goldstein BlackRock 8. Adena Friedman Nasdaq 9. Deborah Hopkins Citi Ventures 10. Daniel Coleman KCG Holdings 11. Stephen Neff Fidelity Investments 12. David Craig Thomson Reuters

13. Michael Spencer ICAP 14. Michael Bodson Depository Trust & Clearing Corp. 15. Charles Li Hong Kong Exchanges and Clearing 16. Chris Concannon BATS Global Markets 17. Blythe Masters Digital Asset Holdings 18. David Rutter R3CEV

19. Neil Katz D.E. Shaw & Co. 20. Lee Olesky Tradeweb Markets 21. Richard McVey MarketAxess Holdings 22. Seth Merrin Liquidnet Holdings 23. Robert Alexander Capital One Financial Corp. 24. Brad Katsuyama IEX Group

25. Antoine Shagoury State Street Corp. 26. David Gledhill DBS Bank 27. Lou Eccleston TMX Group 28. Andreas Preuss Deutsche BÖrse 29. Dan Schulman PayPal Holdings 30. Scott Dillon Wells Fargo & Co.

31. Mike Chinn S&P Global Market Intelligence 32. Craig Donohue Options Clearing Corp. 33. Gary Norcross Fidelity National Information Services 34. Steven O'Hanlon Numerix 35. Sebastián Ceria Axioma 36. Michael Cooper BT Radianz

37. Tyler Kim MaplesFS 38. Neal Pawar AQR Capital Management 39. David Harding Winton Capital Management 40. Chris Corrado London Stock Exchange Group 41. Brian Conlon First Derivatives 42. Jim Minnick eVestment

43. Stephane Dubois Xignite 44. Mazy Dar OpenFin 45. Yasuki Okai NRI Holdings America 46. Kim Fournais Saxo Bank 47. Jock Percy Perseus 48. Robert Schifellite Broadridge Financial Solutions

49. Brian Sentance Xenomorph Software 50. Pieter van der Does Adyen