Stephen Li will run the bank's US derivatives business as Michael Yarian, head of its rates trading unit, departs.
The deal marks the latest pull-back from investment banking operations by Barclays.
The bank is eyeing an aggressive growth strategy in the prime brokerage market.
Paul Warhurst to join team as Asian clients demand more from program trading unit.
Minder Cheng confirmed as chair while Frank Troise, formerly of JP Morgan, announced as new CEO of agency broker.
Morgan Stanley's investment banking business returns to profit after major litigation costs in 2014.
Reduction in fixed income revenue comes despite "another record year" for the bank.
Senior figures depart less than a month after the bank announced plans to cut 1,200 staff worldwide.
Deutsche Bank internal note reveals plans for management overhaul in Global Transaction Banking division
Latest CFTC data shows a major drop in the number of US futures commission merchants offering services to the buy-side.