Meg Sleeper VMD, DACVIM (Cardiology)

Meg Sleeper VMD graduated from the University of Pennsylvania veterinary school cum laude and completed a rotating internship in medicine and surgery at Mid-Atlantic Equine Medical Center. After becoming board certified in cardiology, she worked in the section of cardiology at Penn until 2015 when she became a clinical professor of cardiology at the University of Florida veterinary school. She has published numerous papers including over 75 peer reviewed original papers, over 50 review papers or case reports, and 4 books. Primary research interests include inherited heart diseases, in particular inherited cardiomyopathies, comparative cardiology and therapeutic gene transfer. She is on the editorial or review board of 11 journals and has served on the research (2008-2011 and 2019 to the present) and examination (2005-2008) committees for the American College of Veterinary Internal Medicine (Cardiology).

Dr. Simon Dennis BVetMed, MVM, DECVIM (Cardiology)


Dr. Simon Dennis is originally from the United Kingdom and attended the Royal Veterinary College in London, graduating with a degree in veterinary medicine in 2000.  After graduation, he undertook an internship in small animal medicine and surgery and completed a master’s degree in electrocardiography at the University of Glasgow Veterinary School.  For the next few years, he worked as small animal veterinarian, gaining valuable experience in all aspects of general veterinary practice.  Dr. Dennis then returned to the Royal Veterinary College, completing a residency in veterinary cardiology and becoming a board-certified specialist. 

His specialist cardiology career has spanned two countries, clinical and academic positions.  He had the privilege to work as an academic cardiologist at both the Royal Veterinary College and the University of Pennsylvania School of Veterinary Medicine, as head of the examination committee for cardiology of the European College of Veterinary Internal Medicine, and as a clinical cardiologist in the south of England, New York City and eastern Pennsylvania. 

Dr. Dennis enjoys all aspects of being a veterinarian and cardiologist.  He loves dogs and cats equally and has had many pets over the years, each one a rescue animal.  As a cardiologist, he has a particular interest and expertise in echocardiography, the diagnosis and management of heart failure and congenital heart disease.