Julien Rochette oversees the "marine and coastal" activities of IDDRI, providing legal and technical expertise in the fields of law of the sea, international marine environmental law, ocean governance and integrated coastal zone management. His work has led him to invest particularly in regional organizations, particularly in the Mediterranean, the Western Indian Ocean, West Africa and the Pacific.

Julien holds a doctorate in public law (University of Nantes) and public international law (University of Milan) and joined Iddri in September 2007.
Julien is a member of several French and international expert groups (scientific committee of the Liteau programme, specialized committee for marine, maritime and coastal research - COMER, SDSN network, etc.) and teaches regularly at several French universities (Sciences po, Paris V, La Rochelle, Nantes).