Isabelle is originally from Belgium.

She started her career as an architect and town planner in Brussels.

Isabelle joined Transport for London in 2000 as a line extensions and stations planner and over the years has worked on a variety of large scale and complex transport programmes such as the East London Line extension and Crossrail 1, the future Elizabeth Line. Isabelle is currently the Head of Scheme Development for Crossrail 2, the proposed new railway serving London and the wider South East connecting the National Rail networks in Surrey and Hertfordshire via 37 km of new twin bore tunnels and 11 new stations between Wimbledon, Tottenham Hale and New Southgate. In her current role, she is accountable for the engineering, operations, environmental, land acquisition and architectural elements of the railway in the central tunnelled section and the delivery of a design for that section of the scheme.

Isabelle holds a degree in Architecture and Town Planning from ULB Brussels and a Masters in Architectural Design from University College London.

Outside of work, Isabelle is Vice President of the Roger Adams Foundation, a family run charity working in partnership with FUNDEA and FUNDAP, micro-financing institutions guaranteeing small funds for people without access to the formal banking system in Guatemala and heads the Teaching and Learning committee as a Science Link School Governor at Jubilee primary school, Hackney.