Dr. Al-Mallah recently started the cardiac PET service at Houston Methodist DeBakey Heart and Vascular Center. This service utilizes the most recent digital PET and performs multiple PET procedures including PET for myocardial perfusion imaging, viability, assessment of inflammatory cardiomyopathy, detection of cardiac infections and cardiac devices related infections as well as vascular graft infections.

He is a member of several American and European cardiovascular councils, while serving as an Associate Editor of Atherosclerosis and Cochrane reviews. He is also a member of the Editorial Boards of Journal of the American College of Cardiology, and European Heart Journal -Cardiovascular Imaging.

Dr Al-Mallah received many local and international awards including Francis N. Fernandez Fellowship Award, King Abdullah International Medical Research Center award in 2011, Best Teacher award from Henry Ford Hospital, Elite Reviewer for the year 2013 for the Journal of the American College of Cardiology Journals, King Abdullah International Medical Research Center senior researcher award in 2016 and in 2019 was recipient of Best Teacher award from Houston Methodist DeBakey Heart and Vascular Center. Many of his trainees have established academic careers and received multiple research awards while working under his supervision.