Simms brings extensive financial experience to Landsec from the property sector, most recently as chief financial officer at Grainger. Simms has expertise in leading and implementing strategic change in businesses and of leadership roles in a listed environment. Prior to Grainger, Simms was deputy chief financial officer at Unite Group and UK finance director at SEGRO. Simms is a chartered certified accountant (FCCA) and has an executive MBA from Ashridge Business School. Simms was a non-executive director and audit chair of Drax Group until June 2024.