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The 2017 Trading Tech 40: Rob Park

< Wall Street's Nerds: The World's Most Powerful Trading Executives15. Rob ParkChief Technology OfficerIEX GroupLast year: 16

Then an upstart alternative trading system, IEX Group was portrayed as an anti-establishment disrupter in Michael Lewis's 2014 best-seller Flash Boys. Now it is a full-fledged exchange business — IEX obtained Securities and Exchange Commission approval last June for the Investors Exchange, which went live in August. It's still taking potshots from the equity market establishment as its market share hovers around 2 percent. A distinguishing feature, built into the infrastructure overseen by chief technology officer Rob Park, is a 350-microsecond speed bump designed to enforce the IEX ideal of a "fair, simple, and transparent stock exchange" protective of long-term investors' interests. In practice the bump prevents high frequency traders from taking advantage of fleeting delays in exchanges' price updates — known as latency arbitrage, which Park, 38, calls "an invisible tax on the investment process."

A member of the IEX founding team, led by CEO Brad Katsuyama, that came out of RBC Capital Markets, Park was previously co-founder of Quantera Financial Corp., a proprietary high frequency trading firm that specialized in statistical and machine learning algorithms. He and Katsuyama are board members of TradeWind Markets, an IEX technology spin-off that raised $9 million in funding last year to develop a blockchain-based gold marketplace.

 The 2017 Trading Tech 40Click below to view profiles
1. Richard PragerBlackRock2. Chris IsaacsonBats Global Markets3. Bradley PetersonNasdaq4. Brad LevyMarkitSERV5. Dan KeeganCiti
6. Glenn LeskoBloomberg Tradebook7. Bryan DurkinCME Group8. Mayur KapaniIntercontinental Exchange9. Mike BlumKCG Holdings10. Raj MahajanGoldman Sachs Group
11. Ronald DePoaloFidelity Institutional12. Nick ThemelisMarketAxess Holdings13. Jenny KnottNEX Optimisation14. Billy HultTradeweb Markets15. Rob ParkIEX Group
16. Bill Chow & Richard LeungHong Kong Exchanges and Clearing17. John Mackay (Mack) GillMillenniumIT18. Paul HamillCitadel Securities19. Eric NollConvergex20. Veronica AugustssonCinnober Financial Technology
21. Tyler Moeller & Joshua WalskyBroadway Technology22. Alasdair HaynesAquis Exchange23. Gaurav SuriArcesium24. Manoj NarangMana Partners25. Michael Chin & Neill PenneyThomson Reuters
26. Robert SloanS3 Partners27. Anton Katz & Stephen MockAQR Capital Management28. Donal ByrneCorvil29. Stu TaylorAlgomi30. Alfred EskandarPortware
31. Steven RandichFinancial Industry Regulatory Authority32. R. Cromwell CoulsonOTC Markets Group33. Peter MaragosDash Financial34. John FawcettQuantopian35. Donald
Ross III
PDQ Enterprises
36. Jennifer NayarVela Trading Technologies37. Dan RajuTradier38. Susan EstesOpenDoor Trading39. David MercerLMAX Exchange40. Oki MatsumotoMonex Group