Dr. Hayes graduated from Bristol University in 1998 and entered mixed practice in Carmarthen, Wales, before obtaining her RCVS small animal surgery certificate and pursuing an internship in Alberta, Canada.

After a period working as an ER doctor she completed a residency in small animal emergency in critical care, a PhD in Epidemiology, and a residency in small animal surgery at the Ontario Veterinary College, Guelph, Ontario. She then went on to work at a private practice in Pennsylvania.

Her professional interests include study design and data modeling, disease scoring and error analysis, and minimally invasive surgical techniques. She is the author of several book chapters and over 20 peer reviewed publications. She is married with two children, and enjoys fly-fishing and gardening in her spare time.

Dr. Hayes is an American College of Veterinary Surgeons Diplomate, as well as a Diplomate of the American College of Veterinary Emergency and Critical Care.

Dan graduated from Liverpool University in 1987. After eighteen months in practice at the Churchfield Veterinary Centre in Barnsley, he began a residency in small animal surgery at the University of Liverpool. Dan gained an RCVS Certificate in Veterinary Radiology in 1990 and a Certificate in Small Animal Orthopaedics in 1991.

Dan moved to the University of Pennsylvania in 1991 as a Lecturer in Surgery and where he became Assistant Professor of Surgery in 1994. He became a diplomate of the American College of Veterinary Surgeons in 1999. He joined the Royal Veterinary College as a Lecturer in Soft Tissue Surgery in October 2000 and became a Senior Lecturer in 2003. He was awarded his Professorship in 2007.

In addition to being an active small animal surgeon, Dan has held many administrative roles at the RVC: as head of the surgery service, head of small animal medicine and surgery, head of the department of Veterinary Clinical Sciences and head of the department of Clinical Sciences and Services. He is currently Director of the Cardiothoracic Surgery Service which performed over 60 open heart surgical procedures over the last 12 months.

Alessio Vigani is currently director of small animal emergency and critical care and extracorporeal therapy at The University of Zurich. Alessio received his D.V.M. degree Summa Cum Laude from the University of Milan in 2006 and then obtained his PhD degree in clinical sciences. He completed a small animal rotating internship at the Ohio State University in Columbus in 2009.

He subsequently pursued two consecutive residency programs in veterinary anesthesia and analgesia and emergency and critical care at the University of Florida. He is ACVAA diplomate since 2012 and ACVECC diplomate since 2014. Dr. Vigani has published several journal articles and book chapters and he has lectured nationally and internationally. His special interests include regional anesthesia in critical care, hemodynamics, acute kidney injury, and extracorporeal therapy. Alessio shares his apartment with his 3 dogs Scimmietta, Macchietta e Anacleto. Alessio is a devoted runner.

Dr. Mazzaferro is a graduate of Michigan State University College of Veterinary Medicine, completing an internship at the Veterinary Institute of Trauma in Wisconsin. She completed a residency in Emergency-Critical Care at Colorado State University, where she also earned her PhD. She was board certified by the American College of Veterinary Emergency & Critical Care in 2002. Dr. Mazzaferro was the Director of Emergency Services at a multispecialty practice in Colorado for 10 years before joining CUVS in 2012.

Dr. Mazzaferro is internationally renowned and a leader in her field. She is President of the American College of Veterinary Emergency & Critical Care. She is also a prolific publisher, having authored four manuals as well as numerous chapters and manuscripts on a range of topics relating to Emergency and Critical Care Medicine. She lectures extensively nationally and internationally, having given presentations in more than 21 US states and 9 countries.

Internationally, Dr. Mazzaferro is recognized for her accomplishments as a lecturer and author. At CUVS, she is known for her upbeat, warm personality and unwavering positivity. She simultaneously conveys her tremendous experience and expertise with warmth and compassion – a combination that is reassuring and invaluable in the emergency setting.