Prof. Jean-Michel GUENET is “Directeur de Recherche CNRS» at Institut Charles Sadron (Strasbourg, France), a CNRS-owned laboratory associated with the Université Louis Pasteur. He was born in 1951 in Blanc-Mesnil, which is a suburb of Paris (France). He graduated in 1974 from Paris XIII University as a Material Science Engineer and obtained a PhD degree in 1980 at Louis Pasteur University in Strasbourg. He was a post-doctoral fellow for one year at Bristol University (UK) with Pr. A. Keller on a grant from the Royal Society. He has been a visiting scientist at NIST with Prof. G.B. McKenna (Gaithersburg, USA) in 1985, a visiting-professor at Université de Mons-Hainaut (Belgium) with Prof. M. Dosière from 1995 to 2004, and an invited professor at Shizuoka University (Japan) with Prof. H. Itagaki in 2002. Apart from being the author of about 150 papers, he has also written a monograph on thermoreversible gels published by Academic Press in 1992 (Thermoreversible gelation of polymers and biopolymers). In 1990, he has been awarded the Dillon Medal of the American Physical Society for his work on polymer gels. He was the first non-american to receive this award. He is also the founder of a series of conferences entitled “Polymer-solvent Complexes and Intercalates?.