Alexis Chevalier received his Ph.D. in 1999 in electronics from the University of Brest, France. At Present, he is assistant professor at the University of Brest and belongs to the Microwave, Optoelectronics and Material department at the Lab-STICC (Laboratory of Sciences and Techniques of Information, Communication and Knowledge - UMR CNRS 6285 – Université de Bretagne Occidentale - France). His research interests focus on the modeling and characterization of materials for microwave applications.