CEO of Fidessa
John Hamer joined the group in January 1983. He has a BSc. Hons. in Computer Science from Leeds University and was Chief Executive of the group between 1992 and July 2001 when the group had multiple business streams, each with its own Chief Executive. John became Chairman of the group in July 2001 when the group focused on the Fidessa business by divesting the help desk and call centre software businesses.