Secretary General of the European Sea Ports Organisation (ESPO) since August 1, 2013. Before taking on this role, Isabelle worked as Director of the European Federation of Inland Ports (EFIP) and Senior Advisor at ESPO for four years.

She studied Law at the University of Namur and KU Leuven, as well as European Law at UCL Louvain. Before joining EFIP, she spent nearly 20 years in EU Public Affairs. After a brief period at the European Commission (DG Agriculture), she worked in an EU Public Affairs consultancy. In 1994, she joined the European Parliament as a political assistant, and from 1999 to 2009, she served as the political assistant to Dirk Sterckx, focusing mainly on transport and port-related fields.

She is the co-author of the handbook Zo Werkt Europa (1st edition 2007, 2nd edition 2010, 3rd edition 2015).