He is the owner of the gastronomic restaurant L'Assiette Champenoise in Tinqueux near Reims.

After having found the passion of cooking at the age of 5, besides his father in the kitchen, Arnaud Lallement studied at the hotel school of Strasbourg, and then began working alongside famous chefs like Roger Vergé, Michel Guérard and Alain Chapel.

In 1997, he joined his father Jean-Pierre Lallement to work with him in Tinqueux near Reims.

In 2000, after the death of his father, Arnaud, aged 26, became the chef owner of the restaurant L'Assiette Champenoise.

In 2013, Arnaud Lallement received the prize of "Chef of the Year" from the guide Gault et Millau.