Ahmed H. M. Hassan is an assistant professor of clinical pharmacy, Faculty of pharmacy, University of Sadat City, Egypt. Hassan received his B.Sc at faculty of pharmacy, Beni-Suef University, Egypt, July 2011; and his Master Degree in clinical pharmacy, faculty of pharmacy, Beni-Suef University, Egypt, March 2016, also his PhD in Clinical Pharmacy from the same faculty. Over the past 8 years, Hassan has focused his research on short acting bronchodilator “salbutamol” delivered to non-invasive positive pressure ventilated patients by different devices and optimal use of prophylactic antibiotics in orthopedic surgeries. Hassan worked as a hospital pharmacist at As-Slam International Hospital, Egypt, as a clinical pharmacist at Beba Central Hospital, Egypt, and a lecturer of Clinical Pharmacy, faculty of Pharmacy, Jouf University, KSA.