Dr. Joe El-Khoury is Assistant Professor of Laboratory Medicine at Yale University School of Medicine and Assistant Director of the Clinical Chemistry Laboratory at Yale-New Haven Hospital. Dr. El-Khoury is board certified by the American Board of Clinical Chemistry. He completed his PhD and fellowship training in Clinical Biochemistry at Cleveland Clinic and his undergraduate training in Chemistry at the American University of Beirut (Lebanon). His specialty is method development by liquid chromatography-mass spectrometry for quantitation of small molecule in biological fluids.