Samir Trabelsi Email Biography Samir Trabelsi received his Licence de Physique and Maîtrise de Physique from l'Université Paul Sabatier, Toulouse, France, in 1985 and 1987, respectively, and his Diplôme d'Etudes Approfondies and Ph. D. in Electronics from the Institut National Polytechnique de Toulouse in 1988 and 1993, respectively. Dr. Trabelsi is a Research Electronics Engineer and Lead scientist of the Dielectrics Group, Quality and Safety Assessment Research Unit, ARS, USDA, in Athens, Georgia, and holds an adjunct Associate Research Scientist position with the Department of Biological and Agricultural Engineering, The University of Georgia. His research involves development of methods and sensors for rapid and nondestructive determination of bulk density and moisture content in granular and particulate materials and measurement and modeling of dielectric properties of water-containing materials at RF and microwave frequencies. His expertise is in dielectric measurements, microwave and millimeter nondestructive testing, moisture content measurements and high-frequency measurements. He has published more than 195 technical papers and reports on these subjects and holds three patents. Dr. Trabelsi is an Associate Editor of the IEEE Transactions on Instrumentation and Measurement, and for several years has served on the Technical Program Committee of the IEEE I2MTC and IEEE-APS International Conferences. He is a senior member of the Institute of Electrical and Electronics Engineers (IEEE) and a member and a chartered physicist of the Institute of Physics (IOP). He is a member of Sigma Xi, the Scientific Research Society, and a member of the American Society of Agricultural and Biological Engineers. Position(s) & Affiliation(s) United States Department of Agriculture United States