Dr. Yaser is a multi-disciplined aeronautical/mechanical engineer with a combination of academic coursework and industrial experience in the aviation business as a licensed aircraft maintenance engineer (B1.3), with experience in aerospace R&D and MRO of helicopter maintenance. His maintenance license (airframe, engine and unit overhaul) of ECAA (Egyptian Civil Aviation Authority) is type rated with 5 helicopter types (26 years). Also, he was teaching as a visiting senior lecturer at aerospace and mechanical power engineering depts. for both undergraduate and post-graduate students at many engineering institutes in Egypt, with major subjects: “Flight Principles, Aerodynamics, Helicopter Flight Theory, Helicopter Aerodynamics, Wind Turbine Aerodynamics, Aircraft Systems, Aircraft and Engine Maintenance, Human Factors and SMS, Technical Writing, Presentation Skills and Analytical Thinking”. Currently, at AD-Polytechnics, he is working as a senior instructor at aircraft engineering technology department (AET).