BTIG chooses Tony Nilsson, a senior equity sales trader in London, to lead the new business and office in Stockholm Sweden.
Bobby Croswell, managing director of outsourced trading at BITG, has joined Cowen in the same role to build out the business globally.
Christopher Rollins joined BTIG last year but previously spent more than 15 years with Goldman Sachs.
Firm hopes hire will help boost buy-side offering.
BTIG announces appointment of Chris Amato as head of ADR conversion trading.