Agricultural engineer involved in Food Safety. MY thesis for Master Degree (Plant Biotechnologies and Biodiversity) concerned Genetics Biodiversity. I had the prospect to enroll in many involvements such as dealing with drugs addicts, education and research, managing and landscaping. Labeled as investigative, conventional, artistic and social, currently I am a Biology teacher for high school students (Scientific Sections). The following displays my publications: • Chahwan P. & Haber M. (2008). DNA extraction from Cabernet Sauvignon stem. Jounieh, Lebanon: Holy Spirit University of Kaslik USEK, Faculty of Agronomic Science. • Chahwan P. & Haber M. (2008). Exploration of genetic diversity of Cabernet Sauvignon cultivated in Lebanon, by microsatellites. Jounieh, Lebanon: Holy Spirit University of Kaslik USEK, Faculty of Agronomic Science. • Chahwan P. (1999). Origin of Bacteriological Contamination in Food Products and the preventive measures applied to avoid the contamination. Beirut, Lebanon: Lebanese Army. • Chahwan P. & Hilan C. (1998). Fixing test for microbiological norms of some Lebanese cakes based on dairy products. Jounieh, Lebanon: Holy Spirit University of Kaslik USEK, Faculty of Agronomic Science.