Gunther van Loon graduated from Ghent University, Belgium, in 1992 and has worked at the Ghent University, Department of Large Animal Internal Medicine, ever since. In 2001 he finished his PhD on “Atrial pacing and experimental atrial fibrillation in equines”. In 2004 he became Diplomate of the European College of Equine Internal Medicine and in 2011 Associate Diplomate of the European College of Veterinary Diagnostic Imaging. He is now Professor in Large Animal Internal Medicine at Ghent University and his major interests are cardiology (arrhythmias, electrophysiology, cardiac pacing, echocardiography, TDI, 2D ST), and thoracic and abdominal ultrasound. Areas of research include 2D Speckle Tracking, Tissue Doppler Imaging, cardiac biomarkers, assessment of arterial wall stiffness and great vessel pathology, atrial fibrillation. Gunther has published mainly in the field of equine internal medicine and cardiology and lectures regularly at national and international courses and conferences.