Gayle graduated from the University of Cambridge and completed a rotating internship and then large animal internal medicine and critical care residency at the Royal Veterinary College in London. She then completed a PhD investigating aortic valve prolapse at the University of Nottingham. After 20 years in academia, she left in February 22 to become Director of Veterinary Professional Development for IVC Evidensia. She still undertakes clinical work at Pool House Equine Hospital. She is an American Specialist in Large Animal Internal Medicine, American Specialist in Large Animal Emergency and Critical Care, EBVS Specialist in Veterinary Sports Medicine and Rehabilitation and is Associate Diplomate of the European College of Veterinary Diagnostic Imaging. The topics that she holds close to her heart which include large animal cardiology, gastroenterology and imaging (particularly ultrasonography).