Jason Sardina, who joined Cowen July, was senior vice president within the Jefferies fully paid lending, hedge fund coverage, structured products, swaps and delta one team, between May 2010 and June 2017.
He will continue to be based in New York.
Sardina follows the arrival of Matt Baldassano from Jefferies, who moved in 2016 to become Cowen’s head of securities finance.
The appointment marks the third senior hire for Cowen’s securities finance offering in recent months, following the recruitment of Bernard Minsky to its international prime services team as head of risk management.
Minsky, who joined Cowen in April, is based in London and reports to Kevin LoPrimo, head of international prime brokerage.
In January, Ross Levin joined Cowen Group from Pleeco as director of global securities finance to help build its securities finance and equity trading and clearing business.