GBST Holdings Limited (ASX:GBT)
has appointed Mr Robert De Dominicis as managing director and chief executive officer with immediate effect.
The co-founder of wealth management software provider Infocomp will be based in the UK, dividing his time between Australia, the UK and Asia.
GBST founder and chairman Dr John Puttick also announced his intention to retire at the end of the year, but will remain as a long-term shareholder.
Dr Puttick will be succeeded as chairman by Allan Brackin, who joined the board in 2005.
GBST Holdings recorded a net profit of $15.27 million at 30 June 2015.