Marion qualified from Paris Belleville School of Architecture and Bartlett School of Architecture in London. 

She joined Paul Davis + Partners in 2005 and was made an associate in 2008. She has been design team leader on a £10m facade retention project in a conservation area, was project architect for 100 Princedale Road, the first UK residential retrofit project to be certified to Passivhaus standard, and other recent projects including a feasibility study for a new build, mixed use scheme in Marylebone. 

Marion has recently completed an MA in sustainable architecture and urbanism at the University of East London and is heavily involved in developing the sustainable credentials for the practice.