Professor Sabine Ernst qualified in medicine in Germany but also continued her training in the USA (Los Angeles and Boston) and Switzerland. In 2007, she moved to London and became licenced as a cardiologist specialist. Before joining the Royal Brompton and Harefield NHS Foundation Trust, Professor Ernst was director of the magnetic navigation laboratory in Hamburg, Germany.
She holds the position of research lead in electrophysiology at Royal Brompton & Harefield NHS Foundation Trust and became Professor of Practice at Imperial College London in 2019.