A graduate from Damascus University School of Medicine, Dr. Hadi Yaziji is an American Board-certified pathologist who did his pathology training at the University of Louisville Hospitals, then went on to do two sub-speciality fellowships in Surgical Pathology and Breast Pathology and Immunohistochemistry at the University of Washington, followed by a third fellowship in Cytopathology at MD Anderson Cancer Center. For over 20 years of his medical career, Dr. Yaziji has given numerous talks at local, national and international pathology conventions, presented his research that focuses on targeted therapy biomarker testing at international pathology meetings, and published his work at many peer-reviewed indexed medical journals. Dr. Yaziji's area of expertise is breast pathology and breast cancer biomarkers, especially HER2 protein and gene testing. Dr. Yaziji is the founder of Vitro Molecular Laboratories, an international specialty anatomic pathology laboratory, and is also the founder of Pathology Learning Centers, a medical education organization that offers the most comprehensive course on specialized testing in anatomic pathology. Board certified in Anatomic Pathology, Clinical Pathology and Cytopathology, Dr. Yaziji also received several prestigious achievement awards, including Alpha Omega Alpha Honor Medical Society and the Southern Medical Association (Pathology Section) achievement award. He also co-authored over 55 publications in peer-reviewed journals.