Grégory mainly practices aviation law for airlines and/or their insurers. By their very nature, most of the cases handled by Grégory have an international dimension.

Grégory also advises on public law cases.

He holds a Master (DEA) in Public International Law from the University of Paris 1 Panthéon-Sorbonne, and was a temporary lecturer and researcher in this University. In this capacity, he has namely been a tutor in public law, international economic law and international investment law. He was admitted to the Paris Bar in 2011.