serves as Professor of Pathology, Chief of Clinical Pathology and Clinical Chemistry Director at the University of Texas Southwestern Medical Center, Dallas, TX. A graduate of King’s College London, UK, with interest in pituitary, neuroendocrine biomarkers, and the acute phase response. Hashim is a co-author of the Endocrine Society’s Hormone Replacement in Hypopituitarism in Adults Clinical Practice Guideline.