He has many years of experience in delivering courses in air-conditioning to University, college students, to building managers and maintenance staff in both the industrial and commercial sectors in Egypt, the Arabian countries and worldwide.

He is a registered HVAC consultant and the president of the Arab Air Conditioning Code Committee.

In February 1977 he was able to achieve his Ph.D. degree in Mechanical Engineering at London University, Imperial College of Science and Technology, UK.

In 1977, the same year he achieved his Ph.D., Khalil acquired a Diploma of Imperial College at London University and a Postdoctoral Fellowship at Imperial College, London with the Support of Harwell Atomic Energy Research Establishment, United Kingdom.

Khalil is a productive contributors to the research in the fields of Combustion, Thermal Power and Heat Transfer.