Colliers, the international property advisers, has appointed Fergus Forsyth to its National Capital Markets team as an associate director. He joins from Cushman & Wakefield where he worked with clients including Calthorpe Estates; Centreland; Howard de Walden Estate; Canary Wharf Group; Assura; Aurora Group; Cleveland Clinic and GenesisCare. At Colliers, Forsyth will work alongside Richard…