< The 2017 Tech 40

22. Lee Olesky
Chief Executive Officer
Tradeweb Markets
Last year: 20

Tradeweb Markets has more than just longevity going for it, according to Lee Olesky. "We have the advantage of networks," says the 55-year-old chief executive officer, who helped start Tradeweb while working at Credit Suisse First Boston in the 1990s. An institutional electronic trading pioneer — Tradeweb introduced an online marketplace for U.S. Treasuries in 1998 — the New York–based firm has expanded into more than 25 fixed-income and derivative asset classes, as well as exchange-traded funds. The expansion was done through three divisions: institutional, or dealer to client (Tradeweb); wholesale, or interdealer (Dealerweb); and retail (Tradeweb Direct). The businesses tend over time to overlap and converge, and that's where the network advantage comes in. As the industry matures and consolidates, Olesky says, "we are in a position to leverage technology and the network to improve services to clients." Tradeweb's U.S. credit trading activity hit a record $18.8 billion in May, the same month it introduced an all-to-all corporate bond trading service called Blast A2A. Tradeweb, owned by a Thomson Reuters–led group, has meanwhile attracted banks to a separate service assisting with trade transparency requirements under MiFID II, the pending regulatory revision to Europe's Markets in Financial Instruments Directive.

 
The 2017 Tech 40

1. Adena Friedman NASDAQ 2. Catherine Bessant Bank of America Corp. 3. Robert Goldstein BlackRock 4. Jeffrey Sprecher Intercontinental Exchange Market Volatility May Boost Distressed Credit Opportunities Sponsored by Fidelity Investments May 12, 2025 5. Lance Uggla IHS Markit

6. Shawn Edwards & Vlad Kliatchko Bloomberg 7. David Craig Thomson Reuters 8. Michael Spencer NEX Group 9. Don Callahan Citigroup 10. Elisha Wiesel Goldman Sachs Group

11. Michael Bodson Depository Trust & Clearing Corp. 12. Terrence Duffy CME Group 13. Charles Li Hong Kong Exchanges and Clearing 14. Sean Belka Fidelity Investments 15. Chris Concannon CBOE Holdings

16. Guy Chiarello First Data Corp. 17. Steven Lieblich Citadel 18. David Rutter R3CEV 19. Blythe Masters Digital Asset Holdings 20. Alfred Spector Two Sigma Investments

21. Neil Katz D.E. Shaw Group 22. Lee Olesky Tradeweb Markets 23. Richard McVey MarketAxess Holdings 24. David Gledhill DBS Bank 25. Seth Merrin Liquidnet Holdings

26. Antoine Shagoury State Street Corp. 27. Peter Brown & Robert Mercer Renaissance Technologies 28. Lou Eccleston TMX Group 29. Peter Cherecwich Northern Trust Corp. 30. Mike Chinn S&P Global Market Intelligence

31. Chris Corrado London Stock Exchange Group 32. Neal Pawar AQR Capital Management 33. Gary Norcross Fidelity National Information Services 34. Steven O'Hanlon Numerix 35. Sebastián Ceria Axioma

36. Brian Conlon First Derivatives and Kx Systems 37. Tyler Kim MaplesFS 38. Michael Cooper BT Radianz 39. Robert Schifellite Broadridge Financial Solutions 40. Jim Minnick eVestment