Gianluca Stani obtained in Bachelor of Science degree in Biochemistry and Organic Chemistry in 1985 He began his chemical career in1988 at Enichem, a member of the ENI group, the Italian Institute for Hydrocarbons. His work there involved hydrocarbon characterization by GC. In 1991 he joined AGIP, another company within the ENI group, to continue research in GC analysis of hydrocarbons. In 1993, he joined Chrompack Italia in the capacity of GC Chromatography Specialist, with responsibility for Environmental and Petrochemical applications, including high temperature GC, thermal desorption and purge & trap techniques, multidimensional analysis, and selective detection. In 1998, Gianluca joined Varian as International Chromatography Specialist for GC analyzers and micro-GC, and in 2000 joined SRA Instruments Italia, an Agilent Channel Partner, as Application Chemist. He is currently involved in developing GC applications and techniques in the natural gas and petrochemical fields. He has participated as author or co-author in numerous referred papars and conference presentations, and is also an instructor in GC courses.