Ian Jack, who most recently served as the global head of infrastructure for the New York Stock Exchange, has been named as chief executive.
GBST chief executive Stephen Lake said: “We are delighted to have Ian heading up our Capital Markets UK team.
“His in-depth experience in financial networks is combined with an incredible vision for where the industry is going, which fits perfectly with GBST’s philosophy for product development and commitment to global growth.”
Commenting on his appointment, Mr Jack said: “It goes without saying that I’m thrilled to be joining GBST at this stage of the company’s growth.
“The industry is at a turning point right now both with an increasingly complex regulatory environment and a continued need for investment in middle and back-office efficiency.
“I look forward to steering GBST’s European business through these challenges and opportunities,” Mr Jack said.