Kieran is an American, European and RCVS Recognised Specialist in Veterinary Cardiology. He graduated from the University of Bristol with an intercalated degree in Veterinary Science, and worked first in general practice, where he achieved the RCVS Certificate in Veterinary Cardiology. He went on to complete his specialist training at the Royal Veterinary College in London.

Kieran is a senior clinician in cardiology at Langford Vets. He is also a Visiting Lecturer in Cardiology at the Royal Veterinary College, as well as senior examiner for the RCVS CertAVP modules in Cardiology, based at the RVC. He is certified by the Veterinary Cardiovascular Society and PawPeds to screen for heart disease in dogs and cats, and is currently on the committee for the Veterinary Cardiovascular Society.

Kieran has spoken internationally to train vets on heart failure management, and has published scientific research and acted as a reviewer for scientific journals. He is involved in a number of CPD courses to train vets in the UK on cardiology, and is part of the team leading a new Masters degree for vets created by the British Small Animal Veterinary Association. He has a strong interest in feline heart disease, inherited heart disease, and congenital heart disease in both dogs and cats. Kieran is one of a small number of vets worldwide who is able to perform Interventional Radiology and is a member of the newly formed Veterinary Interventional Radiology and Interventional Endoscopy Society.