Markets Magazine

Brad Katsuyama’s Next Chapter

His once tiny dark pool got a big boost from ‘Flash Boys.’ Now, this unlikely celebrity is out to prove IEX Group has what it takes to become a public stock exchange.
Brad Katsuyama, CEO and co-founder of IEX in New York

Brad Katsuyama, CEO and co-founder of IEX in New York

Photographer: Alan Clarke/Bloomberg Markets