The executive director of finance at one of the UK’s largest housing associations has left the organisation. Calum Mercer has left 65,000-home Circle to take forward a private equity opportunity and work with several other organisations in a non-executive and advisory capacity, the landlord announced earlier this month. Mr Mercer joined the organisation in 2006 - a year after Circle 33 Housing Group and Anglia Housing Group merged to form Circle Anglia. During his six years at Circle, he...