Dr. Ziad Ayyad has PhD degree in Agriculture, Environmental and Food Science and Technology from Bologna University (Italy, 2015), Master Degree in Applied Technology from Al-Quds university (2010) and a Bachelor Degree in Food technology form Al-Quds University (1999). He worked in Quality Control Department at al Siniora Food Industries Co as laboratory technician. Teaching Assistant in 2000, Laboratory Technician in 2003, Assistant Professor (2015-presnt) at Al-Quds University Department of Food Engineering. Dr. Ziad research interest dealing with food processing and preservations techniques in particular olive oil processing and preservation. Dr Ziad attended many training courses in the field of food industry. Olive oil sensory evaluation and food safety infrastructure in India, Italy, Sweden, Netherland and Palestine.