Who is Phillipe d'Anjou from The Bourne Identity and what is their importance?

Phillipe d'Anjou works at the switchboard at Les Classiques. He is involved with Carlos' operation, and is also a former member of Operation Medusa. In the conclusion, d'Anjou meets with Bourne and they work together. He supplies Bourne with integral information about Treadstone Seventy-One.