DST International (DSTi) has appointed Tom Abraham as chief executive.
Abraham joins from Citigroup in London and replaces Mike Winn, who retires after 15 years with the group.
Winn will oversee the transition, taking on the role of non-executive chairman.
"Tom Abraham brings a unique set of international investment management experience to an already strong management team," said DST Systems Inc. chief executive Tom McDonnell
Abraham most recently directed the strategic solutions - global transaction services division at Citigroup, following roles at Deutsche Bank and Accenture.
DSTi has also promoted chief operating officer Steve Edkins to the role of deputy chief executive.
DSTi provides services to 700 clients in 55 countries.
