Dr. Yasser Mohammed Hassanain Elsayed is a scientist, critical care physician, cardiologist, and independent researcher at the Ministry of Health in Egypt. He has (158) publicized articles with (33) Innovations. They included (6) "Yasser’s sign", (8) "Yasser’s phenomenon", (1) "Yasser’s modification", (2) "Yasser’s maneuver", (1) “Yasser’s method”, (1) “Yasser’s test”, (7) “Yasser’s syndrome”, (1) "Yasser’s fibrillation", (1) "Yasser’s procedure", (1) Yasser’s ECG palpitations wave, (1) Factitious Yasser's infarction, (1) "Yasser’s criterion"", (1) "Yasser's conversions", and (1) "Amiodarone off-phenomenon. He was an international speaker in (42) Conferences, (7) Keynote speaker, reviewed (more than 345 articles), was an honorable editor for (275) Journals, (13) Conferences, OCM, and was an instructor in (15) official and (135) non-official training. He has (53) COVID-19 publicized articles; He was nominated for big prizes such as the Breakthrough Prize, the Einstein Prize, etc. He gained (more than 191) excellence certificates.