With over 14 years of extensive experience, Dr. Alseiari was the first consultant to introduce non-invasive cardiovascular imaging to the SEHA network of hospitals. He is highly experienced in cardiac MRI and CT investigations, including stress perfusion, cardiomyopathies, and other acquired and congenital heart diseases.

In addition to his clinical roles, Dr. Alseiari held many leadership positions such as Radiology Residency Director and Department Chair at Sheikh Khalifa Medical City (SKMC), as well as Chairman of the Radiology Department at SSMC and Chair of the Radiology Council at SEHA.