Imogen graduated from the University of Sydney in 1997, and then spent three years in private practice at Goulburn Valley Equine Hospital (Australia). She completed a residency in large animal internal medicine at the University of Pennsylvania between 2001 and 2003, becoming an ACVIM Diplomate in 2004. She remained there as a lecturer until 2007. From 2007 until 2017 she was employed as a senior lecturer in equine medicine at the Royal Veterinary College. She now works as an equine medicine specialist at B and W Equine Hospital in Gloucestershire, UK; and has recently been made a Fellow of the Royal College of Veterinary Surgeons.