Professor of Pathology and Chief of Clinical Pathology at the University of Texas Southwestern Medical Center. Holder of the Arthur J Gill Professorship of Pathology. Board certified Clinical Biochemist with over 30 years of clinical laboratory experience. Spent his early formative years in the Kingdom having attended Althager Exemplary School in Jeddah. Significant contributor to the scientific literature with over 170 publications, sole author and co-author of several clinical laboratory textbooks. Members of several tasks force and contributor to clinical practice guidelines on cardiac and on endocrine investigation protocols. Implemented myocardial infarction rule out protocol and assessment of heart failure among high-risk patients