Katrina was born and raised in the Swabian region of Germany. She studied medicine in Berlin, but left for the UK immediately after qualifying as a doctor. She worked all over the UK and finally settled as a Consultant Anaesthetist in Fort William in the Scottish Highlands. Katrina's unconventional career includes 3 years as a ship's doctor on cruise ships and in 2009 a year going back to the roots to work in a hospital in Berlin.