Dr Hartel is currently Consultant Histopathologist at Sligo University Hospital, Sligo, Ireland and Medical Director of Clinical Laboratory Medicine and Telepathology with Grafton City, Sistersville General and Pocahontas Memorial Hospitals in West Virginia. He holds an adjunct clinical faculty appointment with the Department of Pulmonary and Critical Care Medicine at West Virginia University School of Medicine. He is active in research endeavors, particularly in the area of lung tumours and sarcomas. He has numerous publications and has been invited to speak about his research nationally and internationally. Dr Hartel is a Diplomate of the American Board of Pathology and Fellow of the Faculty of Pathology, Royal College of Physicians in Ireland, College of American Pathologists and American Society of Clinical Pathology.