In 2008, Olesky became CEO."The 2016 Tech 50: Lee Olesky," Institutional Investor, July 18, 2016. That same year, the firm acquired brokerage firm Hilliard Farber & Co. Inc. In 2009, it launched Dealerweb, an electronic interdealer platform for to-be-announced, or forward, mortgage-backed securities (TBA-MBS). In 2010, it facilitated the first fully electronic, dealer-to-customer interest rate swap to be processed by a central clearing house in the U.S.
