After spending one year of her undergraduate studies at the University of Wuppertal in 1990-1991 as part of her degree course in economics and German literature at University College Dublin, Susan emigrated to Germany in 1992 to study translation and then interpreting at the University of Applied Sciences in Cologne. On completion of her studies there in 1999, she founded Ring Interpreting. While at university, Susan also spent several years working as an English trainer in adult education. In 2006 she completed a Masters degree in Conference Interpreting in Cologne, subsequently taking up a lecturing position in simultaneous and consecutive interpreting and translation at the same institution.
She has been managing Ring Interpreting since 1999.